Home / 7,516.02-10,371.75-4,158.78

Finding the Fourth Proportional to 7,516.02, 10,371.75 and 4,158.78

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Solution

The fourth proportional to 7,516.02, 10,371.75 and 4,158.78 is: 5,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.02 : 10,371.75 = 4,158.78 : x
  2. Step 2: Convert to fraction form
    7,516.02/10,371.75 = 4,158.78/x
  3. Step 3: Cross multiply
    7,516.02x = 10,371.75 × 4,158.78
  4. Step 4: Simplify right side
    7,516.02x = 43,133,771.98
  5. Step 5: Solve for x
    x = 43,133,771.98/7,516.02
  6. Step 6: Final answer
    x = 5,738.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.