Home / 5,170.17-7,751.47-1,658.18

Finding the Fourth Proportional to 5,170.17, 7,751.47 and 1,658.18

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Solution

The fourth proportional to 5,170.17, 7,751.47 and 1,658.18 is: 2,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.17 : 7,751.47 = 1,658.18 : x
  2. Step 2: Convert to fraction form
    5,170.17/7,751.47 = 1,658.18/x
  3. Step 3: Cross multiply
    5,170.17x = 7,751.47 × 1,658.18
  4. Step 4: Simplify right side
    5,170.17x = 12,853,293.77
  5. Step 5: Solve for x
    x = 12,853,293.77/5,170.17
  6. Step 6: Final answer
    x = 2,486.05

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1.5x scale

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.