Home / 5,314.95-7,314.39-5,177.66

Finding the Fourth Proportional to 5,314.95, 7,314.39 and 5,177.66

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Solution

The fourth proportional to 5,314.95, 7,314.39 and 5,177.66 is: 7,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.95 : 7,314.39 = 5,177.66 : x
  2. Step 2: Convert to fraction form
    5,314.95/7,314.39 = 5,177.66/x
  3. Step 3: Cross multiply
    5,314.95x = 7,314.39 × 5,177.66
  4. Step 4: Simplify right side
    5,314.95x = 37,871,387.96
  5. Step 5: Solve for x
    x = 37,871,387.96/5,314.95
  6. Step 6: Final answer
    x = 7,125.45

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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.