Home / 4,983.20-7,473.60-1,520.48

Finding the Fourth Proportional to 4,983.20, 7,473.60 and 1,520.48

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Solution

The fourth proportional to 4,983.20, 7,473.60 and 1,520.48 is: 2,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.20 : 7,473.60 = 1,520.48 : x
  2. Step 2: Convert to fraction form
    4,983.20/7,473.60 = 1,520.48/x
  3. Step 3: Cross multiply
    4,983.20x = 7,473.60 × 1,520.48
  4. Step 4: Simplify right side
    4,983.20x = 11,363,459.33
  5. Step 5: Solve for x
    x = 11,363,459.33/4,983.20
  6. Step 6: Final answer
    x = 2,280.35

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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.