Home / 7,210.17-10,814.94-2,279.70

Finding the Fourth Proportional to 7,210.17, 10,814.94 and 2,279.70

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Solution

The fourth proportional to 7,210.17, 10,814.94 and 2,279.70 is: 3,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.17 : 10,814.94 = 2,279.70 : x
  2. Step 2: Convert to fraction form
    7,210.17/10,814.94 = 2,279.70/x
  3. Step 3: Cross multiply
    7,210.17x = 10,814.94 × 2,279.70
  4. Step 4: Simplify right side
    7,210.17x = 24,654,818.72
  5. Step 5: Solve for x
    x = 24,654,818.72/7,210.17
  6. Step 6: Final answer
    x = 3,419.45

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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.