Home / 6,416.31-8,854.50-3,728.04

Finding the Fourth Proportional to 6,416.31, 8,854.50 and 3,728.04

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Solution

The fourth proportional to 6,416.31, 8,854.50 and 3,728.04 is: 5,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416.31 : 8,854.50 = 3,728.04 : x
  2. Step 2: Convert to fraction form
    6,416.31/8,854.50 = 3,728.04/x
  3. Step 3: Cross multiply
    6,416.31x = 8,854.50 × 3,728.04
  4. Step 4: Simplify right side
    6,416.31x = 33,009,930.18
  5. Step 5: Solve for x
    x = 33,009,930.18/6,416.31
  6. Step 6: Final answer
    x = 5,144.69

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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.