Home / 8,779.06-12,097.56-6,256.72

Finding the Fourth Proportional to 8,779.06, 12,097.56 and 6,256.72

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Solution

The fourth proportional to 8,779.06, 12,097.56 and 6,256.72 is: 8,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.06 : 12,097.56 = 6,256.72 : x
  2. Step 2: Convert to fraction form
    8,779.06/12,097.56 = 6,256.72/x
  3. Step 3: Cross multiply
    8,779.06x = 12,097.56 × 6,256.72
  4. Step 4: Simplify right side
    8,779.06x = 75,691,045.60
  5. Step 5: Solve for x
    x = 75,691,045.60/8,779.06
  6. Step 6: Final answer
    x = 8,621.77

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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.