Home / 8,980.10-13,471.57-2,738.69

Finding the Fourth Proportional to 8,980.10, 13,471.57 and 2,738.69

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Solution

The fourth proportional to 8,980.10, 13,471.57 and 2,738.69 is: 4,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.10 : 13,471.57 = 2,738.69 : x
  2. Step 2: Convert to fraction form
    8,980.10/13,471.57 = 2,738.69/x
  3. Step 3: Cross multiply
    8,980.10x = 13,471.57 × 2,738.69
  4. Step 4: Simplify right side
    8,980.10x = 36,894,386.69
  5. Step 5: Solve for x
    x = 36,894,386.69/8,980.10
  6. Step 6: Final answer
    x = 4,108.46

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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.