Home / 9,713.80-14,574.30-3,140.20

Finding the Fourth Proportional to 9,713.80, 14,574.30 and 3,140.20

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Solution

The fourth proportional to 9,713.80, 14,574.30 and 3,140.20 is: 4,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,713.80 : 14,574.30 = 3,140.20 : x
  2. Step 2: Convert to fraction form
    9,713.80/14,574.30 = 3,140.20/x
  3. Step 3: Cross multiply
    9,713.80x = 14,574.30 × 3,140.20
  4. Step 4: Simplify right side
    9,713.80x = 45,766,216.86
  5. Step 5: Solve for x
    x = 45,766,216.86/9,713.80
  6. Step 6: Final answer
    x = 4,711.46

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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.