Home / 5,124.92-7,072.65-3,134.85

Finding the Fourth Proportional to 5,124.92, 7,072.65 and 3,134.85

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Solution

The fourth proportional to 5,124.92, 7,072.65 and 3,134.85 is: 4,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.92 : 7,072.65 = 3,134.85 : x
  2. Step 2: Convert to fraction form
    5,124.92/7,072.65 = 3,134.85/x
  3. Step 3: Cross multiply
    5,124.92x = 7,072.65 × 3,134.85
  4. Step 4: Simplify right side
    5,124.92x = 22,171,681.18
  5. Step 5: Solve for x
    x = 22,171,681.18/5,124.92
  6. Step 6: Final answer
    x = 4,326.25

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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.