Home / 7,085.92-10,630.50-3,389.08

Finding the Fourth Proportional to 7,085.92, 10,630.50 and 3,389.08

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Solution

The fourth proportional to 7,085.92, 10,630.50 and 3,389.08 is: 5,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.92 : 10,630.50 = 3,389.08 : x
  2. Step 2: Convert to fraction form
    7,085.92/10,630.50 = 3,389.08/x
  3. Step 3: Cross multiply
    7,085.92x = 10,630.50 × 3,389.08
  4. Step 4: Simplify right side
    7,085.92x = 36,027,614.94
  5. Step 5: Solve for x
    x = 36,027,614.94/7,085.92
  6. Step 6: Final answer
    x = 5,084.39

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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.