Home / 5,290.29-7,925.63-2,654.70

Finding the Fourth Proportional to 5,290.29, 7,925.63 and 2,654.70

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Solution

The fourth proportional to 5,290.29, 7,925.63 and 2,654.70 is: 3,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.29 : 7,925.63 = 2,654.70 : x
  2. Step 2: Convert to fraction form
    5,290.29/7,925.63 = 2,654.70/x
  3. Step 3: Cross multiply
    5,290.29x = 7,925.63 × 2,654.70
  4. Step 4: Simplify right side
    5,290.29x = 21,040,156.69
  5. Step 5: Solve for x
    x = 21,040,156.69/5,290.29
  6. Step 6: Final answer
    x = 3,977.13

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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.