Home / 6,318.16-8,714.36-4,639.04

Finding the Fourth Proportional to 6,318.16, 8,714.36 and 4,639.04

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Solution

The fourth proportional to 6,318.16, 8,714.36 and 4,639.04 is: 6,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.16 : 8,714.36 = 4,639.04 : x
  2. Step 2: Convert to fraction form
    6,318.16/8,714.36 = 4,639.04/x
  3. Step 3: Cross multiply
    6,318.16x = 8,714.36 × 4,639.04
  4. Step 4: Simplify right side
    6,318.16x = 40,426,264.61
  5. Step 5: Solve for x
    x = 40,426,264.61/6,318.16
  6. Step 6: Final answer
    x = 6,398.42

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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.