Home / 5,239.07-7,856.55-1,951.41

Finding the Fourth Proportional to 5,239.07, 7,856.55 and 1,951.41

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Solution

The fourth proportional to 5,239.07, 7,856.55 and 1,951.41 is: 2,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.07 : 7,856.55 = 1,951.41 : x
  2. Step 2: Convert to fraction form
    5,239.07/7,856.55 = 1,951.41/x
  3. Step 3: Cross multiply
    5,239.07x = 7,856.55 × 1,951.41
  4. Step 4: Simplify right side
    5,239.07x = 15,331,350.24
  5. Step 5: Solve for x
    x = 15,331,350.24/5,239.07
  6. Step 6: Final answer
    x = 2,926.35

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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.