Home / 6,779.98-9,353.10-4,260.82

Finding the Fourth Proportional to 6,779.98, 9,353.10 and 4,260.82

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Solution

The fourth proportional to 6,779.98, 9,353.10 and 4,260.82 is: 5,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.98 : 9,353.10 = 4,260.82 : x
  2. Step 2: Convert to fraction form
    6,779.98/9,353.10 = 4,260.82/x
  3. Step 3: Cross multiply
    6,779.98x = 9,353.10 × 4,260.82
  4. Step 4: Simplify right side
    6,779.98x = 39,851,875.54
  5. Step 5: Solve for x
    x = 39,851,875.54/6,779.98
  6. Step 6: Final answer
    x = 5,877.88

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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.