Home / 5,280.95-7,272.85-5,166.13

Finding the Fourth Proportional to 5,280.95, 7,272.85 and 5,166.13

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Solution

The fourth proportional to 5,280.95, 7,272.85 and 5,166.13 is: 7,114.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.95 : 7,272.85 = 5,166.13 : x
  2. Step 2: Convert to fraction form
    5,280.95/7,272.85 = 5,166.13/x
  3. Step 3: Cross multiply
    5,280.95x = 7,272.85 × 5,166.13
  4. Step 4: Simplify right side
    5,280.95x = 37,572,488.57
  5. Step 5: Solve for x
    x = 37,572,488.57/5,280.95
  6. Step 6: Final answer
    x = 7,114.72

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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.