Home / 5,177.16-7,780.32-5,045.94

Finding the Fourth Proportional to 5,177.16, 7,780.32 and 5,045.94

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Solution

The fourth proportional to 5,177.16, 7,780.32 and 5,045.94 is: 7,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.16 : 7,780.32 = 5,045.94 : x
  2. Step 2: Convert to fraction form
    5,177.16/7,780.32 = 5,045.94/x
  3. Step 3: Cross multiply
    5,177.16x = 7,780.32 × 5,045.94
  4. Step 4: Simplify right side
    5,177.16x = 39,259,027.90
  5. Step 5: Solve for x
    x = 39,259,027.90/5,177.16
  6. Step 6: Final answer
    x = 7,583.12

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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.