Home / 8,779.48-13,175.70-7,068.76

Finding the Fourth Proportional to 8,779.48, 13,175.70 and 7,068.76

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Solution

The fourth proportional to 8,779.48, 13,175.70 and 7,068.76 is: 10,608.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.48 : 13,175.70 = 7,068.76 : x
  2. Step 2: Convert to fraction form
    8,779.48/13,175.70 = 7,068.76/x
  3. Step 3: Cross multiply
    8,779.48x = 13,175.70 × 7,068.76
  4. Step 4: Simplify right side
    8,779.48x = 93,135,861.13
  5. Step 5: Solve for x
    x = 93,135,861.13/8,779.48
  6. Step 6: Final answer
    x = 10,608.36

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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.