Home / 7,192.80-9,925.20-4,048.32

Finding the Fourth Proportional to 7,192.80, 9,925.20 and 4,048.32

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Solution

The fourth proportional to 7,192.80, 9,925.20 and 4,048.32 is: 5,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.80 : 9,925.20 = 4,048.32 : x
  2. Step 2: Convert to fraction form
    7,192.80/9,925.20 = 4,048.32/x
  3. Step 3: Cross multiply
    7,192.80x = 9,925.20 × 4,048.32
  4. Step 4: Simplify right side
    7,192.80x = 40,180,385.66
  5. Step 5: Solve for x
    x = 40,180,385.66/7,192.80
  6. Step 6: Final answer
    x = 5,586.20

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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.