Home / 7,769.41-10,718.57-5,412.92

Finding the Fourth Proportional to 7,769.41, 10,718.57 and 5,412.92

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Solution

The fourth proportional to 7,769.41, 10,718.57 and 5,412.92 is: 7,467.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.41 : 10,718.57 = 5,412.92 : x
  2. Step 2: Convert to fraction form
    7,769.41/10,718.57 = 5,412.92/x
  3. Step 3: Cross multiply
    7,769.41x = 10,718.57 × 5,412.92
  4. Step 4: Simplify right side
    7,769.41x = 58,018,721.86
  5. Step 5: Solve for x
    x = 58,018,721.86/7,769.41
  6. Step 6: Final answer
    x = 7,467.59

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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.