Home / 9,288.29-12,817.76-5,039.35

Finding the Fourth Proportional to 9,288.29, 12,817.76 and 5,039.35

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Solution

The fourth proportional to 9,288.29, 12,817.76 and 5,039.35 is: 6,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.29 : 12,817.76 = 5,039.35 : x
  2. Step 2: Convert to fraction form
    9,288.29/12,817.76 = 5,039.35/x
  3. Step 3: Cross multiply
    9,288.29x = 12,817.76 × 5,039.35
  4. Step 4: Simplify right side
    9,288.29x = 64,593,149.96
  5. Step 5: Solve for x
    x = 64,593,149.96/9,288.29
  6. Step 6: Final answer
    x = 6,954.26

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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.