Home / 8,815.15-13,219.59-2,573.55

Finding the Fourth Proportional to 8,815.15, 13,219.59 and 2,573.55

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Solution

The fourth proportional to 8,815.15, 13,219.59 and 2,573.55 is: 3,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.15 : 13,219.59 = 2,573.55 : x
  2. Step 2: Convert to fraction form
    8,815.15/13,219.59 = 2,573.55/x
  3. Step 3: Cross multiply
    8,815.15x = 13,219.59 × 2,573.55
  4. Step 4: Simplify right side
    8,815.15x = 34,021,275.84
  5. Step 5: Solve for x
    x = 34,021,275.84/8,815.15
  6. Step 6: Final answer
    x = 3,859.41

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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.