Home / 7,123.28-10,675.37-5,543.91

Finding the Fourth Proportional to 7,123.28, 10,675.37 and 5,543.91

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Solution

The fourth proportional to 7,123.28, 10,675.37 and 5,543.91 is: 8,308.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123.28 : 10,675.37 = 5,543.91 : x
  2. Step 2: Convert to fraction form
    7,123.28/10,675.37 = 5,543.91/x
  3. Step 3: Cross multiply
    7,123.28x = 10,675.37 × 5,543.91
  4. Step 4: Simplify right side
    7,123.28x = 59,183,229.11
  5. Step 5: Solve for x
    x = 59,183,229.11/7,123.28
  6. Step 6: Final answer
    x = 8,308.43

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1.5x scale

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.