Home / 5,374.30-8,061.46-1,478.74

Finding the Fourth Proportional to 5,374.30, 8,061.46 and 1,478.74

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Solution

The fourth proportional to 5,374.30, 8,061.46 and 1,478.74 is: 2,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.30 : 8,061.46 = 1,478.74 : x
  2. Step 2: Convert to fraction form
    5,374.30/8,061.46 = 1,478.74/x
  3. Step 3: Cross multiply
    5,374.30x = 8,061.46 × 1,478.74
  4. Step 4: Simplify right side
    5,374.30x = 11,920,803.36
  5. Step 5: Solve for x
    x = 11,920,803.36/5,374.30
  6. Step 6: Final answer
    x = 2,218.11

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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.