Home / 8,816.15-13,221.09-2,574.55

Finding the Fourth Proportional to 8,816.15, 13,221.09 and 2,574.55

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Solution

The fourth proportional to 8,816.15, 13,221.09 and 2,574.55 is: 3,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.15 : 13,221.09 = 2,574.55 : x
  2. Step 2: Convert to fraction form
    8,816.15/13,221.09 = 2,574.55/x
  3. Step 3: Cross multiply
    8,816.15x = 13,221.09 × 2,574.55
  4. Step 4: Simplify right side
    8,816.15x = 34,038,357.26
  5. Step 5: Solve for x
    x = 34,038,357.26/8,816.15
  6. Step 6: Final answer
    x = 3,860.91

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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.