Home / 4,272.61-5,892.51-2,779.98

Finding the Fourth Proportional to 4,272.61, 5,892.51 and 2,779.98

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Solution

The fourth proportional to 4,272.61, 5,892.51 and 2,779.98 is: 3,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.61 : 5,892.51 = 2,779.98 : x
  2. Step 2: Convert to fraction form
    4,272.61/5,892.51 = 2,779.98/x
  3. Step 3: Cross multiply
    4,272.61x = 5,892.51 × 2,779.98
  4. Step 4: Simplify right side
    4,272.61x = 16,381,030.49
  5. Step 5: Solve for x
    x = 16,381,030.49/4,272.61
  6. Step 6: Final answer
    x = 3,833.97

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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.