Home / 8,385.04-11,572.86-5,404.60

Finding the Fourth Proportional to 8,385.04, 11,572.86 and 5,404.60

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Solution

The fourth proportional to 8,385.04, 11,572.86 and 5,404.60 is: 7,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.04 : 11,572.86 = 5,404.60 : x
  2. Step 2: Convert to fraction form
    8,385.04/11,572.86 = 5,404.60/x
  3. Step 3: Cross multiply
    8,385.04x = 11,572.86 × 5,404.60
  4. Step 4: Simplify right side
    8,385.04x = 62,546,679.16
  5. Step 5: Solve for x
    x = 62,546,679.16/8,385.04
  6. Step 6: Final answer
    x = 7,459.32

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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.