Home / 7,436.10-11,152.40-2,505.63

Finding the Fourth Proportional to 7,436.10, 11,152.40 and 2,505.63

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Solution

The fourth proportional to 7,436.10, 11,152.40 and 2,505.63 is: 3,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.10 : 11,152.40 = 2,505.63 : x
  2. Step 2: Convert to fraction form
    7,436.10/11,152.40 = 2,505.63/x
  3. Step 3: Cross multiply
    7,436.10x = 11,152.40 × 2,505.63
  4. Step 4: Simplify right side
    7,436.10x = 27,943,775.48
  5. Step 5: Solve for x
    x = 27,943,775.48/7,436.10
  6. Step 6: Final answer
    x = 3,757.85

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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.