Home / 4,895.28-7,335.36-3,921.12

Finding the Fourth Proportional to 4,895.28, 7,335.36 and 3,921.12

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Solution

The fourth proportional to 4,895.28, 7,335.36 and 3,921.12 is: 5,875.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.28 : 7,335.36 = 3,921.12 : x
  2. Step 2: Convert to fraction form
    4,895.28/7,335.36 = 3,921.12/x
  3. Step 3: Cross multiply
    4,895.28x = 7,335.36 × 3,921.12
  4. Step 4: Simplify right side
    4,895.28x = 28,762,826.80
  5. Step 5: Solve for x
    x = 28,762,826.80/4,895.28
  6. Step 6: Final answer
    x = 5,875.62

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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.