Home / 5,316.32-7,992.50-4,283.57

Finding the Fourth Proportional to 5,316.32, 7,992.50 and 4,283.57

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Solution

The fourth proportional to 5,316.32, 7,992.50 and 4,283.57 is: 6,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.32 : 7,992.50 = 4,283.57 : x
  2. Step 2: Convert to fraction form
    5,316.32/7,992.50 = 4,283.57/x
  3. Step 3: Cross multiply
    5,316.32x = 7,992.50 × 4,283.57
  4. Step 4: Simplify right side
    5,316.32x = 34,236,371.84
  5. Step 5: Solve for x
    x = 34,236,371.84/5,316.32
  6. Step 6: Final answer
    x = 6,439.87

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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.