Home / 6,475.02-8,935.56-3,957.30

Finding the Fourth Proportional to 6,475.02, 8,935.56 and 3,957.30

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Solution

The fourth proportional to 6,475.02, 8,935.56 and 3,957.30 is: 5,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.02 : 8,935.56 = 3,957.30 : x
  2. Step 2: Convert to fraction form
    6,475.02/8,935.56 = 3,957.30/x
  3. Step 3: Cross multiply
    6,475.02x = 8,935.56 × 3,957.30
  4. Step 4: Simplify right side
    6,475.02x = 35,360,691.59
  5. Step 5: Solve for x
    x = 35,360,691.59/6,475.02
  6. Step 6: Final answer
    x = 5,461.09

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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.