Home / 7,422.28-10,242.54-4,235.52

Finding the Fourth Proportional to 7,422.28, 10,242.54 and 4,235.52

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Solution

The fourth proportional to 7,422.28, 10,242.54 and 4,235.52 is: 5,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.28 : 10,242.54 = 4,235.52 : x
  2. Step 2: Convert to fraction form
    7,422.28/10,242.54 = 4,235.52/x
  3. Step 3: Cross multiply
    7,422.28x = 10,242.54 × 4,235.52
  4. Step 4: Simplify right side
    7,422.28x = 43,382,437.10
  5. Step 5: Solve for x
    x = 43,382,437.10/7,422.28
  6. Step 6: Final answer
    x = 5,844.90

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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.