Home / 8,970.90-13,440.69-5,845.92

Finding the Fourth Proportional to 8,970.90, 13,440.69 and 5,845.92

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Solution

The fourth proportional to 8,970.90, 13,440.69 and 5,845.92 is: 8,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.90 : 13,440.69 = 5,845.92 : x
  2. Step 2: Convert to fraction form
    8,970.90/13,440.69 = 5,845.92/x
  3. Step 3: Cross multiply
    8,970.90x = 13,440.69 × 5,845.92
  4. Step 4: Simplify right side
    8,970.90x = 78,573,198.48
  5. Step 5: Solve for x
    x = 78,573,198.48/8,970.90
  6. Step 6: Final answer
    x = 8,758.68

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1.5x scale

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.