Home / 6,861.20-9,468.47-3,717.39

Finding the Fourth Proportional to 6,861.20, 9,468.47 and 3,717.39

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Solution

The fourth proportional to 6,861.20, 9,468.47 and 3,717.39 is: 5,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.20 : 9,468.47 = 3,717.39 : x
  2. Step 2: Convert to fraction form
    6,861.20/9,468.47 = 3,717.39/x
  3. Step 3: Cross multiply
    6,861.20x = 9,468.47 × 3,717.39
  4. Step 4: Simplify right side
    6,861.20x = 35,197,929.76
  5. Step 5: Solve for x
    x = 35,197,929.76/6,861.20
  6. Step 6: Final answer
    x = 5,130.00

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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.