Home / 5,607.27-8,416.40-4,278.66

Finding the Fourth Proportional to 5,607.27, 8,416.40 and 4,278.66

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Solution

The fourth proportional to 5,607.27, 8,416.40 and 4,278.66 is: 6,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.27 : 8,416.40 = 4,278.66 : x
  2. Step 2: Convert to fraction form
    5,607.27/8,416.40 = 4,278.66/x
  3. Step 3: Cross multiply
    5,607.27x = 8,416.40 × 4,278.66
  4. Step 4: Simplify right side
    5,607.27x = 36,010,914.02
  5. Step 5: Solve for x
    x = 36,010,914.02/5,607.27
  6. Step 6: Final answer
    x = 6,422.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.