Home / 7,511.55-11,250.90-3,807.42

Finding the Fourth Proportional to 7,511.55, 11,250.90 and 3,807.42

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Solution

The fourth proportional to 7,511.55, 11,250.90 and 3,807.42 is: 5,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.55 : 11,250.90 = 3,807.42 : x
  2. Step 2: Convert to fraction form
    7,511.55/11,250.90 = 3,807.42/x
  3. Step 3: Cross multiply
    7,511.55x = 11,250.90 × 3,807.42
  4. Step 4: Simplify right side
    7,511.55x = 42,836,901.68
  5. Step 5: Solve for x
    x = 42,836,901.68/7,511.55
  6. Step 6: Final answer
    x = 5,702.80

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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.