Home / 5,476.96-7,557.68-3,239.68

Finding the Fourth Proportional to 5,476.96, 7,557.68 and 3,239.68

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Solution

The fourth proportional to 5,476.96, 7,557.68 and 3,239.68 is: 4,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.96 : 7,557.68 = 3,239.68 : x
  2. Step 2: Convert to fraction form
    5,476.96/7,557.68 = 3,239.68/x
  3. Step 3: Cross multiply
    5,476.96x = 7,557.68 × 3,239.68
  4. Step 4: Simplify right side
    5,476.96x = 24,484,464.74
  5. Step 5: Solve for x
    x = 24,484,464.74/5,476.96
  6. Step 6: Final answer
    x = 4,470.45

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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.