Home / 3,513.08-5,269.28-916.02

Finding the Fourth Proportional to 3,513.08, 5,269.28 and 916.02

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Solution

The fourth proportional to 3,513.08, 5,269.28 and 916.02 is: 1,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.08 : 5,269.28 = 916.02 : x
  2. Step 2: Convert to fraction form
    3,513.08/5,269.28 = 916.02/x
  3. Step 3: Cross multiply
    3,513.08x = 5,269.28 × 916.02
  4. Step 4: Simplify right side
    3,513.08x = 4,826,761.29
  5. Step 5: Solve for x
    x = 4,826,761.29/3,513.08
  6. Step 6: Final answer
    x = 1,373.94

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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.