Home / 4,248.12-6,343.95-4,202.40

Finding the Fourth Proportional to 4,248.12, 6,343.95 and 4,202.40

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Solution

The fourth proportional to 4,248.12, 6,343.95 and 4,202.40 is: 6,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,248.12 : 6,343.95 = 4,202.40 : x
  2. Step 2: Convert to fraction form
    4,248.12/6,343.95 = 4,202.40/x
  3. Step 3: Cross multiply
    4,248.12x = 6,343.95 × 4,202.40
  4. Step 4: Simplify right side
    4,248.12x = 26,659,815.48
  5. Step 5: Solve for x
    x = 26,659,815.48/4,248.12
  6. Step 6: Final answer
    x = 6,275.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.