Home / 4,312.84-5,947.68-3,431.56

Finding the Fourth Proportional to 4,312.84, 5,947.68 and 3,431.56

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Solution

The fourth proportional to 4,312.84, 5,947.68 and 3,431.56 is: 4,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.84 : 5,947.68 = 3,431.56 : x
  2. Step 2: Convert to fraction form
    4,312.84/5,947.68 = 3,431.56/x
  3. Step 3: Cross multiply
    4,312.84x = 5,947.68 × 3,431.56
  4. Step 4: Simplify right side
    4,312.84x = 20,409,820.78
  5. Step 5: Solve for x
    x = 20,409,820.78/4,312.84
  6. Step 6: Final answer
    x = 4,732.34

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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.