Home / 4,255.32-6,378.12-2,309.16

Finding the Fourth Proportional to 4,255.32, 6,378.12 and 2,309.16

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Solution

The fourth proportional to 4,255.32, 6,378.12 and 2,309.16 is: 3,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.32 : 6,378.12 = 2,309.16 : x
  2. Step 2: Convert to fraction form
    4,255.32/6,378.12 = 2,309.16/x
  3. Step 3: Cross multiply
    4,255.32x = 6,378.12 × 2,309.16
  4. Step 4: Simplify right side
    4,255.32x = 14,728,099.58
  5. Step 5: Solve for x
    x = 14,728,099.58/4,255.32
  6. Step 6: Final answer
    x = 3,461.10

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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.