Home / 5,113.63-7,666.28-1,601.83

Finding the Fourth Proportional to 5,113.63, 7,666.28 and 1,601.83

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Solution

The fourth proportional to 5,113.63, 7,666.28 and 1,601.83 is: 2,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.63 : 7,666.28 = 1,601.83 : x
  2. Step 2: Convert to fraction form
    5,113.63/7,666.28 = 1,601.83/x
  3. Step 3: Cross multiply
    5,113.63x = 7,666.28 × 1,601.83
  4. Step 4: Simplify right side
    5,113.63x = 12,280,077.29
  5. Step 5: Solve for x
    x = 12,280,077.29/5,113.63
  6. Step 6: Final answer
    x = 2,401.44

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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.