Home / 4,989.60-7,471.26-4,552.20

Finding the Fourth Proportional to 4,989.60, 7,471.26 and 4,552.20

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Solution

The fourth proportional to 4,989.60, 7,471.26 and 4,552.20 is: 6,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.60 : 7,471.26 = 4,552.20 : x
  2. Step 2: Convert to fraction form
    4,989.60/7,471.26 = 4,552.20/x
  3. Step 3: Cross multiply
    4,989.60x = 7,471.26 × 4,552.20
  4. Step 4: Simplify right side
    4,989.60x = 34,010,669.77
  5. Step 5: Solve for x
    x = 34,010,669.77/4,989.60
  6. Step 6: Final answer
    x = 6,816.31

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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.