Home / 4,117.40-6,177.18-1,520.36

Finding the Fourth Proportional to 4,117.40, 6,177.18 and 1,520.36

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Solution

The fourth proportional to 4,117.40, 6,177.18 and 1,520.36 is: 2,280.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.40 : 6,177.18 = 1,520.36 : x
  2. Step 2: Convert to fraction form
    4,117.40/6,177.18 = 1,520.36/x
  3. Step 3: Cross multiply
    4,117.40x = 6,177.18 × 1,520.36
  4. Step 4: Simplify right side
    4,117.40x = 9,391,537.38
  5. Step 5: Solve for x
    x = 9,391,537.38/4,117.40
  6. Step 6: Final answer
    x = 2,280.94

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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.