Home / 9,013.02-13,521.65-2,857.02

Finding the Fourth Proportional to 9,013.02, 13,521.65 and 2,857.02

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Solution

The fourth proportional to 9,013.02, 13,521.65 and 2,857.02 is: 4,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.02 : 13,521.65 = 2,857.02 : x
  2. Step 2: Convert to fraction form
    9,013.02/13,521.65 = 2,857.02/x
  3. Step 3: Cross multiply
    9,013.02x = 13,521.65 × 2,857.02
  4. Step 4: Simplify right side
    9,013.02x = 38,631,624.48
  5. Step 5: Solve for x
    x = 38,631,624.48/9,013.02
  6. Step 6: Final answer
    x = 4,286.20

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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.