Home / 5,630.13-8,445.12-5,287.60

Finding the Fourth Proportional to 5,630.13, 8,445.12 and 5,287.60

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Solution

The fourth proportional to 5,630.13, 8,445.12 and 5,287.60 is: 7,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.13 : 8,445.12 = 5,287.60 : x
  2. Step 2: Convert to fraction form
    5,630.13/8,445.12 = 5,287.60/x
  3. Step 3: Cross multiply
    5,630.13x = 8,445.12 × 5,287.60
  4. Step 4: Simplify right side
    5,630.13x = 44,654,395.40
  5. Step 5: Solve for x
    x = 44,654,395.40/5,630.13
  6. Step 6: Final answer
    x = 7,931.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.