Home / 8,779.02-13,167.15-2,856.12

Finding the Fourth Proportional to 8,779.02, 13,167.15 and 2,856.12

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Solution

The fourth proportional to 8,779.02, 13,167.15 and 2,856.12 is: 4,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.02 : 13,167.15 = 2,856.12 : x
  2. Step 2: Convert to fraction form
    8,779.02/13,167.15 = 2,856.12/x
  3. Step 3: Cross multiply
    8,779.02x = 13,167.15 × 2,856.12
  4. Step 4: Simplify right side
    8,779.02x = 37,606,960.46
  5. Step 5: Solve for x
    x = 37,606,960.46/8,779.02
  6. Step 6: Final answer
    x = 4,283.73

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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.