Home / 8,971.32-13,455.36-3,348

Finding the Fourth Proportional to 8,971.32, 13,455.36 and 3,348

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Solution

The fourth proportional to 8,971.32, 13,455.36 and 3,348 is: 5,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.32 : 13,455.36 = 3,348 : x
  2. Step 2: Convert to fraction form
    8,971.32/13,455.36 = 3,348/x
  3. Step 3: Cross multiply
    8,971.32x = 13,455.36 × 3,348
  4. Step 4: Simplify right side
    8,971.32x = 45,048,545.28
  5. Step 5: Solve for x
    x = 45,048,545.28/8,971.32
  6. Step 6: Final answer
    x = 5,021.40

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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.