Home / 5,490.24-7,574.56-4,231.68

Finding the Fourth Proportional to 5,490.24, 7,574.56 and 4,231.68

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Solution

The fourth proportional to 5,490.24, 7,574.56 and 4,231.68 is: 5,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.24 : 7,574.56 = 4,231.68 : x
  2. Step 2: Convert to fraction form
    5,490.24/7,574.56 = 4,231.68/x
  3. Step 3: Cross multiply
    5,490.24x = 7,574.56 × 4,231.68
  4. Step 4: Simplify right side
    5,490.24x = 32,053,114.06
  5. Step 5: Solve for x
    x = 32,053,114.06/5,490.24
  6. Step 6: Final answer
    x = 5,838.20

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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.