Home / 7,900.50-11,826.10-6,719.52

Finding the Fourth Proportional to 7,900.50, 11,826.10 and 6,719.52

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Solution

The fourth proportional to 7,900.50, 11,826.10 and 6,719.52 is: 10,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.50 : 11,826.10 = 6,719.52 : x
  2. Step 2: Convert to fraction form
    7,900.50/11,826.10 = 6,719.52/x
  3. Step 3: Cross multiply
    7,900.50x = 11,826.10 × 6,719.52
  4. Step 4: Simplify right side
    7,900.50x = 79,465,715.47
  5. Step 5: Solve for x
    x = 79,465,715.47/7,900.50
  6. Step 6: Final answer
    x = 10,058.31

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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.