Home / 9,288.30-13,931.10-2,713.80

Finding the Fourth Proportional to 9,288.30, 13,931.10 and 2,713.80

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Solution

The fourth proportional to 9,288.30, 13,931.10 and 2,713.80 is: 4,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.30 : 13,931.10 = 2,713.80 : x
  2. Step 2: Convert to fraction form
    9,288.30/13,931.10 = 2,713.80/x
  3. Step 3: Cross multiply
    9,288.30x = 13,931.10 × 2,713.80
  4. Step 4: Simplify right side
    9,288.30x = 37,806,219.18
  5. Step 5: Solve for x
    x = 37,806,219.18/9,288.30
  6. Step 6: Final answer
    x = 4,070.31

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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.