Home / 5,152.83-7,726.65-2,520.53

Finding the Fourth Proportional to 5,152.83, 7,726.65 and 2,520.53

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Solution

The fourth proportional to 5,152.83, 7,726.65 and 2,520.53 is: 3,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.83 : 7,726.65 = 2,520.53 : x
  2. Step 2: Convert to fraction form
    5,152.83/7,726.65 = 2,520.53/x
  3. Step 3: Cross multiply
    5,152.83x = 7,726.65 × 2,520.53
  4. Step 4: Simplify right side
    5,152.83x = 19,475,253.12
  5. Step 5: Solve for x
    x = 19,475,253.12/5,152.83
  6. Step 6: Final answer
    x = 3,779.53

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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.