Home / 5,112.99-7,669.54-1,826.11

Finding the Fourth Proportional to 5,112.99, 7,669.54 and 1,826.11

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Solution

The fourth proportional to 5,112.99, 7,669.54 and 1,826.11 is: 2,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.99 : 7,669.54 = 1,826.11 : x
  2. Step 2: Convert to fraction form
    5,112.99/7,669.54 = 1,826.11/x
  3. Step 3: Cross multiply
    5,112.99x = 7,669.54 × 1,826.11
  4. Step 4: Simplify right side
    5,112.99x = 14,005,423.69
  5. Step 5: Solve for x
    x = 14,005,423.69/5,112.99
  6. Step 6: Final answer
    x = 2,739.18

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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.