Home / 8,340.93-12,517.56-6,717.08

Finding the Fourth Proportional to 8,340.93, 12,517.56 and 6,717.08

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Solution

The fourth proportional to 8,340.93, 12,517.56 and 6,717.08 is: 10,080.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.93 : 12,517.56 = 6,717.08 : x
  2. Step 2: Convert to fraction form
    8,340.93/12,517.56 = 6,717.08/x
  3. Step 3: Cross multiply
    8,340.93x = 12,517.56 × 6,717.08
  4. Step 4: Simplify right side
    8,340.93x = 84,081,389.34
  5. Step 5: Solve for x
    x = 84,081,389.34/8,340.93
  6. Step 6: Final answer
    x = 10,080.58

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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.