Home / 5,135.08-7,702.48-1,437.57

Finding the Fourth Proportional to 5,135.08, 7,702.48 and 1,437.57

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Solution

The fourth proportional to 5,135.08, 7,702.48 and 1,437.57 is: 2,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.08 : 7,702.48 = 1,437.57 : x
  2. Step 2: Convert to fraction form
    5,135.08/7,702.48 = 1,437.57/x
  3. Step 3: Cross multiply
    5,135.08x = 7,702.48 × 1,437.57
  4. Step 4: Simplify right side
    5,135.08x = 11,072,854.17
  5. Step 5: Solve for x
    x = 11,072,854.17/5,135.08
  6. Step 6: Final answer
    x = 2,156.32

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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.