Home / 7,823.28-11,714.12-6,117.66

Finding the Fourth Proportional to 7,823.28, 11,714.12 and 6,117.66

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Solution

The fourth proportional to 7,823.28, 11,714.12 and 6,117.66 is: 9,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.28 : 11,714.12 = 6,117.66 : x
  2. Step 2: Convert to fraction form
    7,823.28/11,714.12 = 6,117.66/x
  3. Step 3: Cross multiply
    7,823.28x = 11,714.12 × 6,117.66
  4. Step 4: Simplify right side
    7,823.28x = 71,662,995.71
  5. Step 5: Solve for x
    x = 71,662,995.71/7,823.28
  6. Step 6: Final answer
    x = 9,160.22

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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.