Home / 8,099.80-11,180.52-4,743.69

Finding the Fourth Proportional to 8,099.80, 11,180.52 and 4,743.69

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Solution

The fourth proportional to 8,099.80, 11,180.52 and 4,743.69 is: 6,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.80 : 11,180.52 = 4,743.69 : x
  2. Step 2: Convert to fraction form
    8,099.80/11,180.52 = 4,743.69/x
  3. Step 3: Cross multiply
    8,099.80x = 11,180.52 × 4,743.69
  4. Step 4: Simplify right side
    8,099.80x = 53,036,897.20
  5. Step 5: Solve for x
    x = 53,036,897.20/8,099.80
  6. Step 6: Final answer
    x = 6,547.93

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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.