Home / 7,259.80-10,891.02-2,515.72

Finding the Fourth Proportional to 7,259.80, 10,891.02 and 2,515.72

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Solution

The fourth proportional to 7,259.80, 10,891.02 and 2,515.72 is: 3,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.80 : 10,891.02 = 2,515.72 : x
  2. Step 2: Convert to fraction form
    7,259.80/10,891.02 = 2,515.72/x
  3. Step 3: Cross multiply
    7,259.80x = 10,891.02 × 2,515.72
  4. Step 4: Simplify right side
    7,259.80x = 27,398,756.83
  5. Step 5: Solve for x
    x = 27,398,756.83/7,259.80
  6. Step 6: Final answer
    x = 3,774.04

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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.