Home / 7,326.45-10,108.03-4,139.30

Finding the Fourth Proportional to 7,326.45, 10,108.03 and 4,139.30

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Solution

The fourth proportional to 7,326.45, 10,108.03 and 4,139.30 is: 5,710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.45 : 10,108.03 = 4,139.30 : x
  2. Step 2: Convert to fraction form
    7,326.45/10,108.03 = 4,139.30/x
  3. Step 3: Cross multiply
    7,326.45x = 10,108.03 × 4,139.30
  4. Step 4: Simplify right side
    7,326.45x = 41,840,168.58
  5. Step 5: Solve for x
    x = 41,840,168.58/7,326.45
  6. Step 6: Final answer
    x = 5,710.84

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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.