Home / 9,287.52-12,816.78-5,095.80

Finding the Fourth Proportional to 9,287.52, 12,816.78 and 5,095.80

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Solution

The fourth proportional to 9,287.52, 12,816.78 and 5,095.80 is: 7,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.52 : 12,816.78 = 5,095.80 : x
  2. Step 2: Convert to fraction form
    9,287.52/12,816.78 = 5,095.80/x
  3. Step 3: Cross multiply
    9,287.52x = 12,816.78 × 5,095.80
  4. Step 4: Simplify right side
    9,287.52x = 65,311,747.52
  5. Step 5: Solve for x
    x = 65,311,747.52/9,287.52
  6. Step 6: Final answer
    x = 7,032.21

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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.