Home / 9,281.33-12,808.56-6,635.06

Finding the Fourth Proportional to 9,281.33, 12,808.56 and 6,635.06

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Solution

The fourth proportional to 9,281.33, 12,808.56 and 6,635.06 is: 9,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.33 : 12,808.56 = 6,635.06 : x
  2. Step 2: Convert to fraction form
    9,281.33/12,808.56 = 6,635.06/x
  3. Step 3: Cross multiply
    9,281.33x = 12,808.56 × 6,635.06
  4. Step 4: Simplify right side
    9,281.33x = 84,985,564.11
  5. Step 5: Solve for x
    x = 84,985,564.11/9,281.33
  6. Step 6: Final answer
    x = 9,156.61

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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.