Home / 6,475.20-8,935.68-3,642.36

Finding the Fourth Proportional to 6,475.20, 8,935.68 and 3,642.36

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Solution

The fourth proportional to 6,475.20, 8,935.68 and 3,642.36 is: 5,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.20 : 8,935.68 = 3,642.36 : x
  2. Step 2: Convert to fraction form
    6,475.20/8,935.68 = 3,642.36/x
  3. Step 3: Cross multiply
    6,475.20x = 8,935.68 × 3,642.36
  4. Step 4: Simplify right side
    6,475.20x = 32,546,963.40
  5. Step 5: Solve for x
    x = 32,546,963.40/6,475.20
  6. Step 6: Final answer
    x = 5,026.40

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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.