Home / 8,722.31-13,085.09-4,039.23

Finding the Fourth Proportional to 8,722.31, 13,085.09 and 4,039.23

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Solution

The fourth proportional to 8,722.31, 13,085.09 and 4,039.23 is: 6,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.31 : 13,085.09 = 4,039.23 : x
  2. Step 2: Convert to fraction form
    8,722.31/13,085.09 = 4,039.23/x
  3. Step 3: Cross multiply
    8,722.31x = 13,085.09 × 4,039.23
  4. Step 4: Simplify right side
    8,722.31x = 52,853,602.46
  5. Step 5: Solve for x
    x = 52,853,602.46/8,722.31
  6. Step 6: Final answer
    x = 6,059.59

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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.