Home / 7,585.76-11,383.78-2,655.45

Finding the Fourth Proportional to 7,585.76, 11,383.78 and 2,655.45

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Solution

The fourth proportional to 7,585.76, 11,383.78 and 2,655.45 is: 3,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.76 : 11,383.78 = 2,655.45 : x
  2. Step 2: Convert to fraction form
    7,585.76/11,383.78 = 2,655.45/x
  3. Step 3: Cross multiply
    7,585.76x = 11,383.78 × 2,655.45
  4. Step 4: Simplify right side
    7,585.76x = 30,229,005.18
  5. Step 5: Solve for x
    x = 30,229,005.18/7,585.76
  6. Step 6: Final answer
    x = 3,984.97

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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.