Home / 8,077.18-11,143.62-4,718.80

Finding the Fourth Proportional to 8,077.18, 11,143.62 and 4,718.80

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Solution

The fourth proportional to 8,077.18, 11,143.62 and 4,718.80 is: 6,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.18 : 11,143.62 = 4,718.80 : x
  2. Step 2: Convert to fraction form
    8,077.18/11,143.62 = 4,718.80/x
  3. Step 3: Cross multiply
    8,077.18x = 11,143.62 × 4,718.80
  4. Step 4: Simplify right side
    8,077.18x = 52,584,514.06
  5. Step 5: Solve for x
    x = 52,584,514.06/8,077.18
  6. Step 6: Final answer
    x = 6,510.26

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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.