Home / 5,417.34-8,124.81-1,521.66

Finding the Fourth Proportional to 5,417.34, 8,124.81 and 1,521.66

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Solution

The fourth proportional to 5,417.34, 8,124.81 and 1,521.66 is: 2,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.34 : 8,124.81 = 1,521.66 : x
  2. Step 2: Convert to fraction form
    5,417.34/8,124.81 = 1,521.66/x
  3. Step 3: Cross multiply
    5,417.34x = 8,124.81 × 1,521.66
  4. Step 4: Simplify right side
    5,417.34x = 12,363,198.38
  5. Step 5: Solve for x
    x = 12,363,198.38/5,417.34
  6. Step 6: Final answer
    x = 2,282.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.