Home / 5,237.78-7,846.28-3,158.34

Finding the Fourth Proportional to 5,237.78, 7,846.28 and 3,158.34

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Solution

The fourth proportional to 5,237.78, 7,846.28 and 3,158.34 is: 4,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.78 : 7,846.28 = 3,158.34 : x
  2. Step 2: Convert to fraction form
    5,237.78/7,846.28 = 3,158.34/x
  3. Step 3: Cross multiply
    5,237.78x = 7,846.28 × 3,158.34
  4. Step 4: Simplify right side
    5,237.78x = 24,781,219.98
  5. Step 5: Solve for x
    x = 24,781,219.98/5,237.78
  6. Step 6: Final answer
    x = 4,731.24

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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.