Home / 7,309.68-10,966.08-2,378.92

Finding the Fourth Proportional to 7,309.68, 10,966.08 and 2,378.92

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Solution

The fourth proportional to 7,309.68, 10,966.08 and 2,378.92 is: 3,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.68 : 10,966.08 = 2,378.92 : x
  2. Step 2: Convert to fraction form
    7,309.68/10,966.08 = 2,378.92/x
  3. Step 3: Cross multiply
    7,309.68x = 10,966.08 × 2,378.92
  4. Step 4: Simplify right side
    7,309.68x = 26,087,427.03
  5. Step 5: Solve for x
    x = 26,087,427.03/7,309.68
  6. Step 6: Final answer
    x = 3,568.89

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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.