Home / 5,045.92-7,570.74-2,123.92

Finding the Fourth Proportional to 5,045.92, 7,570.74 and 2,123.92

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Solution

The fourth proportional to 5,045.92, 7,570.74 and 2,123.92 is: 3,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.92 : 7,570.74 = 2,123.92 : x
  2. Step 2: Convert to fraction form
    5,045.92/7,570.74 = 2,123.92/x
  3. Step 3: Cross multiply
    5,045.92x = 7,570.74 × 2,123.92
  4. Step 4: Simplify right side
    5,045.92x = 16,079,646.10
  5. Step 5: Solve for x
    x = 16,079,646.10/5,045.92
  6. Step 6: Final answer
    x = 3,186.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.