Home / 6,463.79-8,919.99-3,631.17

Finding the Fourth Proportional to 6,463.79, 8,919.99 and 3,631.17

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Solution

The fourth proportional to 6,463.79, 8,919.99 and 3,631.17 is: 5,010.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.79 : 8,919.99 = 3,631.17 : x
  2. Step 2: Convert to fraction form
    6,463.79/8,919.99 = 3,631.17/x
  3. Step 3: Cross multiply
    6,463.79x = 8,919.99 × 3,631.17
  4. Step 4: Simplify right side
    6,463.79x = 32,389,983.36
  5. Step 5: Solve for x
    x = 32,389,983.36/6,463.79
  6. Step 6: Final answer
    x = 5,010.99

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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.