Home / 5,513.13-7,606.40-3,154.82

Finding the Fourth Proportional to 5,513.13, 7,606.40 and 3,154.82

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Solution

The fourth proportional to 5,513.13, 7,606.40 and 3,154.82 is: 4,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.13 : 7,606.40 = 3,154.82 : x
  2. Step 2: Convert to fraction form
    5,513.13/7,606.40 = 3,154.82/x
  3. Step 3: Cross multiply
    5,513.13x = 7,606.40 × 3,154.82
  4. Step 4: Simplify right side
    5,513.13x = 23,996,769.04
  5. Step 5: Solve for x
    x = 23,996,769.04/5,513.13
  6. Step 6: Final answer
    x = 4,352.66

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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.