Home / 5,252.16-7,877.70-2,478.12

Finding the Fourth Proportional to 5,252.16, 7,877.70 and 2,478.12

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Solution

The fourth proportional to 5,252.16, 7,877.70 and 2,478.12 is: 3,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.16 : 7,877.70 = 2,478.12 : x
  2. Step 2: Convert to fraction form
    5,252.16/7,877.70 = 2,478.12/x
  3. Step 3: Cross multiply
    5,252.16x = 7,877.70 × 2,478.12
  4. Step 4: Simplify right side
    5,252.16x = 19,521,885.92
  5. Step 5: Solve for x
    x = 19,521,885.92/5,252.16
  6. Step 6: Final answer
    x = 3,716.93

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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.