Home / 7,065.28-10,586.88-2,680.36

Finding the Fourth Proportional to 7,065.28, 10,586.88 and 2,680.36

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Solution

The fourth proportional to 7,065.28, 10,586.88 and 2,680.36 is: 4,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.28 : 10,586.88 = 2,680.36 : x
  2. Step 2: Convert to fraction form
    7,065.28/10,586.88 = 2,680.36/x
  3. Step 3: Cross multiply
    7,065.28x = 10,586.88 × 2,680.36
  4. Step 4: Simplify right side
    7,065.28x = 28,376,649.68
  5. Step 5: Solve for x
    x = 28,376,649.68/7,065.28
  6. Step 6: Final answer
    x = 4,016.35

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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.