Home / 7,600.42-11,395.69-3,156.87

Finding the Fourth Proportional to 7,600.42, 11,395.69 and 3,156.87

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Solution

The fourth proportional to 7,600.42, 11,395.69 and 3,156.87 is: 4,733.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.42 : 11,395.69 = 3,156.87 : x
  2. Step 2: Convert to fraction form
    7,600.42/11,395.69 = 3,156.87/x
  3. Step 3: Cross multiply
    7,600.42x = 11,395.69 × 3,156.87
  4. Step 4: Simplify right side
    7,600.42x = 35,974,711.89
  5. Step 5: Solve for x
    x = 35,974,711.89/7,600.42
  6. Step 6: Final answer
    x = 4,733.25

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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.