Home / 6,725.28-9,281.28-4,073.36

Finding the Fourth Proportional to 6,725.28, 9,281.28 and 4,073.36

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Solution

The fourth proportional to 6,725.28, 9,281.28 and 4,073.36 is: 5,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,725.28 : 9,281.28 = 4,073.36 : x
  2. Step 2: Convert to fraction form
    6,725.28/9,281.28 = 4,073.36/x
  3. Step 3: Cross multiply
    6,725.28x = 9,281.28 × 4,073.36
  4. Step 4: Simplify right side
    6,725.28x = 37,805,994.70
  5. Step 5: Solve for x
    x = 37,805,994.70/6,725.28
  6. Step 6: Final answer
    x = 5,621.48

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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.