Home / 9,001.33-12,420.34-5,225.11

Finding the Fourth Proportional to 9,001.33, 12,420.34 and 5,225.11

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Solution

The fourth proportional to 9,001.33, 12,420.34 and 5,225.11 is: 7,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.33 : 12,420.34 = 5,225.11 : x
  2. Step 2: Convert to fraction form
    9,001.33/12,420.34 = 5,225.11/x
  3. Step 3: Cross multiply
    9,001.33x = 12,420.34 × 5,225.11
  4. Step 4: Simplify right side
    9,001.33x = 64,897,598.62
  5. Step 5: Solve for x
    x = 64,897,598.62/9,001.33
  6. Step 6: Final answer
    x = 7,209.78

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Half scale
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Double scale
Find fourth proportional to 9,002.33, 12,421.72 and 5,226.11
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.