Home / 6,287.20-9,430.58-1,607.18

Finding the Fourth Proportional to 6,287.20, 9,430.58 and 1,607.18

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Solution

The fourth proportional to 6,287.20, 9,430.58 and 1,607.18 is: 2,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.20 : 9,430.58 = 1,607.18 : x
  2. Step 2: Convert to fraction form
    6,287.20/9,430.58 = 1,607.18/x
  3. Step 3: Cross multiply
    6,287.20x = 9,430.58 × 1,607.18
  4. Step 4: Simplify right side
    6,287.20x = 15,156,587.39
  5. Step 5: Solve for x
    x = 15,156,587.39/6,287.20
  6. Step 6: Final answer
    x = 2,410.70

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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.