Home / 4,552.30-6,780.60-4,339

Finding the Fourth Proportional to 4,552.30, 6,780.60 and 4,339

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Solution

The fourth proportional to 4,552.30, 6,780.60 and 4,339 is: 6,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,552.30 : 6,780.60 = 4,339 : x
  2. Step 2: Convert to fraction form
    4,552.30/6,780.60 = 4,339/x
  3. Step 3: Cross multiply
    4,552.30x = 6,780.60 × 4,339
  4. Step 4: Simplify right side
    4,552.30x = 29,421,023.40
  5. Step 5: Solve for x
    x = 29,421,023.40/4,552.30
  6. Step 6: Final answer
    x = 6,462.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.