Home / 8,694.90-13,036.80-5,729.91

Finding the Fourth Proportional to 8,694.90, 13,036.80 and 5,729.91

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Solution

The fourth proportional to 8,694.90, 13,036.80 and 5,729.91 is: 8,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.90 : 13,036.80 = 5,729.91 : x
  2. Step 2: Convert to fraction form
    8,694.90/13,036.80 = 5,729.91/x
  3. Step 3: Cross multiply
    8,694.90x = 13,036.80 × 5,729.91
  4. Step 4: Simplify right side
    8,694.90x = 74,699,690.69
  5. Step 5: Solve for x
    x = 74,699,690.69/8,694.90
  6. Step 6: Final answer
    x = 8,591.21

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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.