Home / 7,439.99-10,250.28-5,755.59

Finding the Fourth Proportional to 7,439.99, 10,250.28 and 5,755.59

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Solution

The fourth proportional to 7,439.99, 10,250.28 and 5,755.59 is: 7,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.99 : 10,250.28 = 5,755.59 : x
  2. Step 2: Convert to fraction form
    7,439.99/10,250.28 = 5,755.59/x
  3. Step 3: Cross multiply
    7,439.99x = 10,250.28 × 5,755.59
  4. Step 4: Simplify right side
    7,439.99x = 58,996,409.07
  5. Step 5: Solve for x
    x = 58,996,409.07/7,439.99
  6. Step 6: Final answer
    x = 7,929.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.