Home / 7,665.20-10,588.08-5,685.96

Finding the Fourth Proportional to 7,665.20, 10,588.08 and 5,685.96

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Solution

The fourth proportional to 7,665.20, 10,588.08 and 5,685.96 is: 7,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.20 : 10,588.08 = 5,685.96 : x
  2. Step 2: Convert to fraction form
    7,665.20/10,588.08 = 5,685.96/x
  3. Step 3: Cross multiply
    7,665.20x = 10,588.08 × 5,685.96
  4. Step 4: Simplify right side
    7,665.20x = 60,203,399.36
  5. Step 5: Solve for x
    x = 60,203,399.36/7,665.20
  6. Step 6: Final answer
    x = 7,854.12

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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.