Home / 7,918.92-10,926.36-5,931.18

Finding the Fourth Proportional to 7,918.92, 10,926.36 and 5,931.18

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Solution

The fourth proportional to 7,918.92, 10,926.36 and 5,931.18 is: 8,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.92 : 10,926.36 = 5,931.18 : x
  2. Step 2: Convert to fraction form
    7,918.92/10,926.36 = 5,931.18/x
  3. Step 3: Cross multiply
    7,918.92x = 10,926.36 × 5,931.18
  4. Step 4: Simplify right side
    7,918.92x = 64,806,207.90
  5. Step 5: Solve for x
    x = 64,806,207.90/7,918.92
  6. Step 6: Final answer
    x = 8,183.72

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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.