Home / 8,779.26-12,116.10-5,003.60

Finding the Fourth Proportional to 8,779.26, 12,116.10 and 5,003.60

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Solution

The fourth proportional to 8,779.26, 12,116.10 and 5,003.60 is: 6,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.26 : 12,116.10 = 5,003.60 : x
  2. Step 2: Convert to fraction form
    8,779.26/12,116.10 = 5,003.60/x
  3. Step 3: Cross multiply
    8,779.26x = 12,116.10 × 5,003.60
  4. Step 4: Simplify right side
    8,779.26x = 60,624,117.96
  5. Step 5: Solve for x
    x = 60,624,117.96/8,779.26
  6. Step 6: Final answer
    x = 6,905.38

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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.