Home / 5,253.20-7,878.23-4,326.46

Finding the Fourth Proportional to 5,253.20, 7,878.23 and 4,326.46

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Solution

The fourth proportional to 5,253.20, 7,878.23 and 4,326.46 is: 6,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.20 : 7,878.23 = 4,326.46 : x
  2. Step 2: Convert to fraction form
    5,253.20/7,878.23 = 4,326.46/x
  3. Step 3: Cross multiply
    5,253.20x = 7,878.23 × 4,326.46
  4. Step 4: Simplify right side
    5,253.20x = 34,084,821.86
  5. Step 5: Solve for x
    x = 34,084,821.86/5,253.20
  6. Step 6: Final answer
    x = 6,488.39

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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.