Home / 8,860.59-13,288.46-2,618.73

Finding the Fourth Proportional to 8,860.59, 13,288.46 and 2,618.73

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Solution

The fourth proportional to 8,860.59, 13,288.46 and 2,618.73 is: 3,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.59 : 13,288.46 = 2,618.73 : x
  2. Step 2: Convert to fraction form
    8,860.59/13,288.46 = 2,618.73/x
  3. Step 3: Cross multiply
    8,860.59x = 13,288.46 × 2,618.73
  4. Step 4: Simplify right side
    8,860.59x = 34,798,875.76
  5. Step 5: Solve for x
    x = 34,798,875.76/8,860.59
  6. Step 6: Final answer
    x = 3,927.38

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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.