Home / 7,298.24-10,947.68-2,678.72

Finding the Fourth Proportional to 7,298.24, 10,947.68 and 2,678.72

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Solution

The fourth proportional to 7,298.24, 10,947.68 and 2,678.72 is: 4,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.24 : 10,947.68 = 2,678.72 : x
  2. Step 2: Convert to fraction form
    7,298.24/10,947.68 = 2,678.72/x
  3. Step 3: Cross multiply
    7,298.24x = 10,947.68 × 2,678.72
  4. Step 4: Simplify right side
    7,298.24x = 29,325,769.37
  5. Step 5: Solve for x
    x = 29,325,769.37/7,298.24
  6. Step 6: Final answer
    x = 4,018.20

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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.