Home / 5,281.79-7,272.90-5,010.71

Finding the Fourth Proportional to 5,281.79, 7,272.90 and 5,010.71

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Solution

The fourth proportional to 5,281.79, 7,272.90 and 5,010.71 is: 6,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.79 : 7,272.90 = 5,010.71 : x
  2. Step 2: Convert to fraction form
    5,281.79/7,272.90 = 5,010.71/x
  3. Step 3: Cross multiply
    5,281.79x = 7,272.90 × 5,010.71
  4. Step 4: Simplify right side
    5,281.79x = 36,442,356.39
  5. Step 5: Solve for x
    x = 36,442,356.39/5,281.79
  6. Step 6: Final answer
    x = 6,899.63

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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.