Home / 5,030.15-7,543.00-2,689.71

Finding the Fourth Proportional to 5,030.15, 7,543.00 and 2,689.71

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Solution

The fourth proportional to 5,030.15, 7,543.00 and 2,689.71 is: 4,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.15 : 7,543.00 = 2,689.71 : x
  2. Step 2: Convert to fraction form
    5,030.15/7,543.00 = 2,689.71/x
  3. Step 3: Cross multiply
    5,030.15x = 7,543.00 × 2,689.71
  4. Step 4: Simplify right side
    5,030.15x = 20,288,513.69
  5. Step 5: Solve for x
    x = 20,288,513.69/5,030.15
  6. Step 6: Final answer
    x = 4,033.38

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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.