Home / 5,427.52-7,484.64-4,008.80

Finding the Fourth Proportional to 5,427.52, 7,484.64 and 4,008.80

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Solution

The fourth proportional to 5,427.52, 7,484.64 and 4,008.80 is: 5,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.52 : 7,484.64 = 4,008.80 : x
  2. Step 2: Convert to fraction form
    5,427.52/7,484.64 = 4,008.80/x
  3. Step 3: Cross multiply
    5,427.52x = 7,484.64 × 4,008.80
  4. Step 4: Simplify right side
    5,427.52x = 30,004,424.83
  5. Step 5: Solve for x
    x = 30,004,424.83/5,427.52
  6. Step 6: Final answer
    x = 5,528.20

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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.