Home / 8,253.65-11,390.94-5,423.33

Finding the Fourth Proportional to 8,253.65, 11,390.94 and 5,423.33

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Solution

The fourth proportional to 8,253.65, 11,390.94 and 5,423.33 is: 7,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.65 : 11,390.94 = 5,423.33 : x
  2. Step 2: Convert to fraction form
    8,253.65/11,390.94 = 5,423.33/x
  3. Step 3: Cross multiply
    8,253.65x = 11,390.94 × 5,423.33
  4. Step 4: Simplify right side
    8,253.65x = 61,776,769.68
  5. Step 5: Solve for x
    x = 61,776,769.68/8,253.65
  6. Step 6: Final answer
    x = 7,484.79

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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.