Home / 7,437.61-11,155.71-2,757.63

Finding the Fourth Proportional to 7,437.61, 11,155.71 and 2,757.63

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Solution

The fourth proportional to 7,437.61, 11,155.71 and 2,757.63 is: 4,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.61 : 11,155.71 = 2,757.63 : x
  2. Step 2: Convert to fraction form
    7,437.61/11,155.71 = 2,757.63/x
  3. Step 3: Cross multiply
    7,437.61x = 11,155.71 × 2,757.63
  4. Step 4: Simplify right side
    7,437.61x = 30,763,320.57
  5. Step 5: Solve for x
    x = 30,763,320.57/7,437.61
  6. Step 6: Final answer
    x = 4,136.18

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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.