Home / 7,079.28-10,619.52-1,885.14

Finding the Fourth Proportional to 7,079.28, 10,619.52 and 1,885.14

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Solution

The fourth proportional to 7,079.28, 10,619.52 and 1,885.14 is: 2,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.28 : 10,619.52 = 1,885.14 : x
  2. Step 2: Convert to fraction form
    7,079.28/10,619.52 = 1,885.14/x
  3. Step 3: Cross multiply
    7,079.28x = 10,619.52 × 1,885.14
  4. Step 4: Simplify right side
    7,079.28x = 20,019,281.93
  5. Step 5: Solve for x
    x = 20,019,281.93/7,079.28
  6. Step 6: Final answer
    x = 2,827.87

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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.