Home / 7,192.01-9,924.75-4,005.20

Finding the Fourth Proportional to 7,192.01, 9,924.75 and 4,005.20

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Solution

The fourth proportional to 7,192.01, 9,924.75 and 4,005.20 is: 5,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.01 : 9,924.75 = 4,005.20 : x
  2. Step 2: Convert to fraction form
    7,192.01/9,924.75 = 4,005.20/x
  3. Step 3: Cross multiply
    7,192.01x = 9,924.75 × 4,005.20
  4. Step 4: Simplify right side
    7,192.01x = 39,750,608.70
  5. Step 5: Solve for x
    x = 39,750,608.70/7,192.01
  6. Step 6: Final answer
    x = 5,527.05

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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.