Home / 8,085.07-12,102.51-4,378.10

Finding the Fourth Proportional to 8,085.07, 12,102.51 and 4,378.10

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Solution

The fourth proportional to 8,085.07, 12,102.51 and 4,378.10 is: 6,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.07 : 12,102.51 = 4,378.10 : x
  2. Step 2: Convert to fraction form
    8,085.07/12,102.51 = 4,378.10/x
  3. Step 3: Cross multiply
    8,085.07x = 12,102.51 × 4,378.10
  4. Step 4: Simplify right side
    8,085.07x = 52,986,023.01
  5. Step 5: Solve for x
    x = 52,986,023.01/8,085.07
  6. Step 6: Final answer
    x = 6,553.57

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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.