Home / 5,282.22-7,279.94-4,677.45

Finding the Fourth Proportional to 5,282.22, 7,279.94 and 4,677.45

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Solution

The fourth proportional to 5,282.22, 7,279.94 and 4,677.45 is: 6,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.22 : 7,279.94 = 4,677.45 : x
  2. Step 2: Convert to fraction form
    5,282.22/7,279.94 = 4,677.45/x
  3. Step 3: Cross multiply
    5,282.22x = 7,279.94 × 4,677.45
  4. Step 4: Simplify right side
    5,282.22x = 34,051,550.17
  5. Step 5: Solve for x
    x = 34,051,550.17/5,282.22
  6. Step 6: Final answer
    x = 6,446.45

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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.