Home / 7,286.20-10,937.40-4,005.70

Finding the Fourth Proportional to 7,286.20, 10,937.40 and 4,005.70

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Solution

The fourth proportional to 7,286.20, 10,937.40 and 4,005.70 is: 6,013.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.20 : 10,937.40 = 4,005.70 : x
  2. Step 2: Convert to fraction form
    7,286.20/10,937.40 = 4,005.70/x
  3. Step 3: Cross multiply
    7,286.20x = 10,937.40 × 4,005.70
  4. Step 4: Simplify right side
    7,286.20x = 43,811,943.18
  5. Step 5: Solve for x
    x = 43,811,943.18/7,286.20
  6. Step 6: Final answer
    x = 6,013.00

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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.