Home / 8,970.74-13,456.14-2,730.80

Finding the Fourth Proportional to 8,970.74, 13,456.14 and 2,730.80

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Solution

The fourth proportional to 8,970.74, 13,456.14 and 2,730.80 is: 4,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.74 : 13,456.14 = 2,730.80 : x
  2. Step 2: Convert to fraction form
    8,970.74/13,456.14 = 2,730.80/x
  3. Step 3: Cross multiply
    8,970.74x = 13,456.14 × 2,730.80
  4. Step 4: Simplify right side
    8,970.74x = 36,746,027.11
  5. Step 5: Solve for x
    x = 36,746,027.11/8,970.74
  6. Step 6: Final answer
    x = 4,096.21

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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.