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Finding the Fourth Proportional to 6,403.32, 8,834.40 and 3,714.84

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Solution

The fourth proportional to 6,403.32, 8,834.40 and 3,714.84 is: 5,125.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.32 : 8,834.40 = 3,714.84 : x
  2. Step 2: Convert to fraction form
    6,403.32/8,834.40 = 3,714.84/x
  3. Step 3: Cross multiply
    6,403.32x = 8,834.40 × 3,714.84
  4. Step 4: Simplify right side
    6,403.32x = 32,818,382.50
  5. Step 5: Solve for x
    x = 32,818,382.50/6,403.32
  6. Step 6: Final answer
    x = 5,125.21

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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.