Home / 6,675.91-10,013.86-2,780.31

Finding the Fourth Proportional to 6,675.91, 10,013.86 and 2,780.31

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Solution

The fourth proportional to 6,675.91, 10,013.86 and 2,780.31 is: 4,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.91 : 10,013.86 = 2,780.31 : x
  2. Step 2: Convert to fraction form
    6,675.91/10,013.86 = 2,780.31/x
  3. Step 3: Cross multiply
    6,675.91x = 10,013.86 × 2,780.31
  4. Step 4: Simplify right side
    6,675.91x = 27,841,635.10
  5. Step 5: Solve for x
    x = 27,841,635.10/6,675.91
  6. Step 6: Final answer
    x = 4,170.46

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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.