Home / 7,043.68-10,565.88-2,112.80

Finding the Fourth Proportional to 7,043.68, 10,565.88 and 2,112.80

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Solution

The fourth proportional to 7,043.68, 10,565.88 and 2,112.80 is: 3,169.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.68 : 10,565.88 = 2,112.80 : x
  2. Step 2: Convert to fraction form
    7,043.68/10,565.88 = 2,112.80/x
  3. Step 3: Cross multiply
    7,043.68x = 10,565.88 × 2,112.80
  4. Step 4: Simplify right side
    7,043.68x = 22,323,591.26
  5. Step 5: Solve for x
    x = 22,323,591.26/7,043.68
  6. Step 6: Final answer
    x = 3,169.31

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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.