Home / 5,541.11-8,313.03-1,645.51

Finding the Fourth Proportional to 5,541.11, 8,313.03 and 1,645.51

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Solution

The fourth proportional to 5,541.11, 8,313.03 and 1,645.51 is: 2,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.11 : 8,313.03 = 1,645.51 : x
  2. Step 2: Convert to fraction form
    5,541.11/8,313.03 = 1,645.51/x
  3. Step 3: Cross multiply
    5,541.11x = 8,313.03 × 1,645.51
  4. Step 4: Simplify right side
    5,541.11x = 13,679,124.20
  5. Step 5: Solve for x
    x = 13,679,124.20/5,541.11
  6. Step 6: Final answer
    x = 2,468.66

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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.