Home / 5,621.27-8,432.02-1,927.74

Finding the Fourth Proportional to 5,621.27, 8,432.02 and 1,927.74

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Solution

The fourth proportional to 5,621.27, 8,432.02 and 1,927.74 is: 2,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.27 : 8,432.02 = 1,927.74 : x
  2. Step 2: Convert to fraction form
    5,621.27/8,432.02 = 1,927.74/x
  3. Step 3: Cross multiply
    5,621.27x = 8,432.02 × 1,927.74
  4. Step 4: Simplify right side
    5,621.27x = 16,254,769.04
  5. Step 5: Solve for x
    x = 16,254,769.04/5,621.27
  6. Step 6: Final answer
    x = 2,891.65

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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.