Home / 8,718.93-12,030.12-5,891.58

Finding the Fourth Proportional to 8,718.93, 12,030.12 and 5,891.58

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Solution

The fourth proportional to 8,718.93, 12,030.12 and 5,891.58 is: 8,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.93 : 12,030.12 = 5,891.58 : x
  2. Step 2: Convert to fraction form
    8,718.93/12,030.12 = 5,891.58/x
  3. Step 3: Cross multiply
    8,718.93x = 12,030.12 × 5,891.58
  4. Step 4: Simplify right side
    8,718.93x = 70,876,414.39
  5. Step 5: Solve for x
    x = 70,876,414.39/8,718.93
  6. Step 6: Final answer
    x = 8,129.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.