Home / 5,123.55-7,683.81-2,201.17

Finding the Fourth Proportional to 5,123.55, 7,683.81 and 2,201.17

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Solution

The fourth proportional to 5,123.55, 7,683.81 and 2,201.17 is: 3,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.55 : 7,683.81 = 2,201.17 : x
  2. Step 2: Convert to fraction form
    5,123.55/7,683.81 = 2,201.17/x
  3. Step 3: Cross multiply
    5,123.55x = 7,683.81 × 2,201.17
  4. Step 4: Simplify right side
    5,123.55x = 16,913,385.76
  5. Step 5: Solve for x
    x = 16,913,385.76/5,123.55
  6. Step 6: Final answer
    x = 3,301.11

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1.5x scale

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.