Home / 5,374.09-8,061.18-1,478.71

Finding the Fourth Proportional to 5,374.09, 8,061.18 and 1,478.71

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Solution

The fourth proportional to 5,374.09, 8,061.18 and 1,478.71 is: 2,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.09 : 8,061.18 = 1,478.71 : x
  2. Step 2: Convert to fraction form
    5,374.09/8,061.18 = 1,478.71/x
  3. Step 3: Cross multiply
    5,374.09x = 8,061.18 × 1,478.71
  4. Step 4: Simplify right side
    5,374.09x = 11,920,147.48
  5. Step 5: Solve for x
    x = 11,920,147.48/5,374.09
  6. Step 6: Final answer
    x = 2,218.08

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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.