Home / 4,433.28-6,649.76-1,355.20

Finding the Fourth Proportional to 4,433.28, 6,649.76 and 1,355.20

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Solution

The fourth proportional to 4,433.28, 6,649.76 and 1,355.20 is: 2,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,433.28 : 6,649.76 = 1,355.20 : x
  2. Step 2: Convert to fraction form
    4,433.28/6,649.76 = 1,355.20/x
  3. Step 3: Cross multiply
    4,433.28x = 6,649.76 × 1,355.20
  4. Step 4: Simplify right side
    4,433.28x = 9,011,754.75
  5. Step 5: Solve for x
    x = 9,011,754.75/4,433.28
  6. Step 6: Final answer
    x = 2,032.75

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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.