Home / 4,304.31-6,454.85-3,390.63

Finding the Fourth Proportional to 4,304.31, 6,454.85 and 3,390.63

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Solution

The fourth proportional to 4,304.31, 6,454.85 and 3,390.63 is: 5,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,304.31 : 6,454.85 = 3,390.63 : x
  2. Step 2: Convert to fraction form
    4,304.31/6,454.85 = 3,390.63/x
  3. Step 3: Cross multiply
    4,304.31x = 6,454.85 × 3,390.63
  4. Step 4: Simplify right side
    4,304.31x = 21,885,991.10
  5. Step 5: Solve for x
    x = 21,885,991.10/4,304.31
  6. Step 6: Final answer
    x = 5,084.67

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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.