Home / 9,211.10-13,818.02-3,287.52

Finding the Fourth Proportional to 9,211.10, 13,818.02 and 3,287.52

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Solution

The fourth proportional to 9,211.10, 13,818.02 and 3,287.52 is: 4,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.10 : 13,818.02 = 3,287.52 : x
  2. Step 2: Convert to fraction form
    9,211.10/13,818.02 = 3,287.52/x
  3. Step 3: Cross multiply
    9,211.10x = 13,818.02 × 3,287.52
  4. Step 4: Simplify right side
    9,211.10x = 45,427,000.67
  5. Step 5: Solve for x
    x = 45,427,000.67/9,211.10
  6. Step 6: Final answer
    x = 4,931.77

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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.