Home / 5,125.64-7,071.16-3,235.76

Finding the Fourth Proportional to 5,125.64, 7,071.16 and 3,235.76

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Solution

The fourth proportional to 5,125.64, 7,071.16 and 3,235.76 is: 4,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.64 : 7,071.16 = 3,235.76 : x
  2. Step 2: Convert to fraction form
    5,125.64/7,071.16 = 3,235.76/x
  3. Step 3: Cross multiply
    5,125.64x = 7,071.16 × 3,235.76
  4. Step 4: Simplify right side
    5,125.64x = 22,880,576.68
  5. Step 5: Solve for x
    x = 22,880,576.68/5,125.64
  6. Step 6: Final answer
    x = 4,463.95

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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.