Home / 7,101.35-10,651.67-2,718.47

Finding the Fourth Proportional to 7,101.35, 10,651.67 and 2,718.47

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Solution

The fourth proportional to 7,101.35, 10,651.67 and 2,718.47 is: 4,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.35 : 10,651.67 = 2,718.47 : x
  2. Step 2: Convert to fraction form
    7,101.35/10,651.67 = 2,718.47/x
  3. Step 3: Cross multiply
    7,101.35x = 10,651.67 × 2,718.47
  4. Step 4: Simplify right side
    7,101.35x = 28,956,231.75
  5. Step 5: Solve for x
    x = 28,956,231.75/7,101.35
  6. Step 6: Final answer
    x = 4,077.57

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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.