Home / 7,278.00-10,043.68-4,253.30

Finding the Fourth Proportional to 7,278.00, 10,043.68 and 4,253.30

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Solution

The fourth proportional to 7,278.00, 10,043.68 and 4,253.30 is: 5,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.00 : 10,043.68 = 4,253.30 : x
  2. Step 2: Convert to fraction form
    7,278.00/10,043.68 = 4,253.30/x
  3. Step 3: Cross multiply
    7,278.00x = 10,043.68 × 4,253.30
  4. Step 4: Simplify right side
    7,278.00x = 42,718,768.93
  5. Step 5: Solve for x
    x = 42,718,768.93/7,278.00
  6. Step 6: Final answer
    x = 5,869.57

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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.