Home / 8,818.12-13,231.70-5,858.63

Finding the Fourth Proportional to 8,818.12, 13,231.70 and 5,858.63

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Solution

The fourth proportional to 8,818.12, 13,231.70 and 5,858.63 is: 8,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.12 : 13,231.70 = 5,858.63 : x
  2. Step 2: Convert to fraction form
    8,818.12/13,231.70 = 5,858.63/x
  3. Step 3: Cross multiply
    8,818.12x = 13,231.70 × 5,858.63
  4. Step 4: Simplify right side
    8,818.12x = 77,519,643.66
  5. Step 5: Solve for x
    x = 77,519,643.66/8,818.12
  6. Step 6: Final answer
    x = 8,790.95

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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.