Home / 8,709.80-13,056.60-6,077.30

Finding the Fourth Proportional to 8,709.80, 13,056.60 and 6,077.30

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Solution

The fourth proportional to 8,709.80, 13,056.60 and 6,077.30 is: 9,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.80 : 13,056.60 = 6,077.30 : x
  2. Step 2: Convert to fraction form
    8,709.80/13,056.60 = 6,077.30/x
  3. Step 3: Cross multiply
    8,709.80x = 13,056.60 × 6,077.30
  4. Step 4: Simplify right side
    8,709.80x = 79,348,875.18
  5. Step 5: Solve for x
    x = 79,348,875.18/8,709.80
  6. Step 6: Final answer
    x = 9,110.30

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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.