Home / 7,298.10-10,947.15-2,918.70

Finding the Fourth Proportional to 7,298.10, 10,947.15 and 2,918.70

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Solution

The fourth proportional to 7,298.10, 10,947.15 and 2,918.70 is: 4,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.10 : 10,947.15 = 2,918.70 : x
  2. Step 2: Convert to fraction form
    7,298.10/10,947.15 = 2,918.70/x
  3. Step 3: Cross multiply
    7,298.10x = 10,947.15 × 2,918.70
  4. Step 4: Simplify right side
    7,298.10x = 31,951,446.71
  5. Step 5: Solve for x
    x = 31,951,446.71/7,298.10
  6. Step 6: Final answer
    x = 4,378.05

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Similar ratio
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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.