Home / 5,675.47-7,832.50-3,158.14

Finding the Fourth Proportional to 5,675.47, 7,832.50 and 3,158.14

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Solution

The fourth proportional to 5,675.47, 7,832.50 and 3,158.14 is: 4,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.47 : 7,832.50 = 3,158.14 : x
  2. Step 2: Convert to fraction form
    5,675.47/7,832.50 = 3,158.14/x
  3. Step 3: Cross multiply
    5,675.47x = 7,832.50 × 3,158.14
  4. Step 4: Simplify right side
    5,675.47x = 24,736,118.76
  5. Step 5: Solve for x
    x = 24,736,118.76/5,675.47
  6. Step 6: Final answer
    x = 4,358.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.