Home / 5,487.12-7,572.78-3,249.36

Finding the Fourth Proportional to 5,487.12, 7,572.78 and 3,249.36

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Solution

The fourth proportional to 5,487.12, 7,572.78 and 3,249.36 is: 4,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.12 : 7,572.78 = 3,249.36 : x
  2. Step 2: Convert to fraction form
    5,487.12/7,572.78 = 3,249.36/x
  3. Step 3: Cross multiply
    5,487.12x = 7,572.78 × 3,249.36
  4. Step 4: Simplify right side
    5,487.12x = 24,606,688.42
  5. Step 5: Solve for x
    x = 24,606,688.42/5,487.12
  6. Step 6: Final answer
    x = 4,484.45

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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.