Home / 8,938.15-13,407.53-3,394.10

Finding the Fourth Proportional to 8,938.15, 13,407.53 and 3,394.10

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Solution

The fourth proportional to 8,938.15, 13,407.53 and 3,394.10 is: 5,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.15 : 13,407.53 = 3,394.10 : x
  2. Step 2: Convert to fraction form
    8,938.15/13,407.53 = 3,394.10/x
  3. Step 3: Cross multiply
    8,938.15x = 13,407.53 × 3,394.10
  4. Step 4: Simplify right side
    8,938.15x = 45,506,514.12
  5. Step 5: Solve for x
    x = 45,506,514.12/8,938.15
  6. Step 6: Final answer
    x = 5,091.27

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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.