Home / 9,122.04-12,591.54-5,346.42

Finding the Fourth Proportional to 9,122.04, 12,591.54 and 5,346.42

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Solution

The fourth proportional to 9,122.04, 12,591.54 and 5,346.42 is: 7,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.04 : 12,591.54 = 5,346.42 : x
  2. Step 2: Convert to fraction form
    9,122.04/12,591.54 = 5,346.42/x
  3. Step 3: Cross multiply
    9,122.04x = 12,591.54 × 5,346.42
  4. Step 4: Simplify right side
    9,122.04x = 67,319,661.29
  5. Step 5: Solve for x
    x = 67,319,661.29/9,122.04
  6. Step 6: Final answer
    x = 7,379.89

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Half scale
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Double scale
Find fourth proportional to 9,123.04, 12,592.92 and 5,347.42
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.