Home / 5,101.80-7,040.55-3,005.92

Finding the Fourth Proportional to 5,101.80, 7,040.55 and 3,005.92

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Solution

The fourth proportional to 5,101.80, 7,040.55 and 3,005.92 is: 4,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.80 : 7,040.55 = 3,005.92 : x
  2. Step 2: Convert to fraction form
    5,101.80/7,040.55 = 3,005.92/x
  3. Step 3: Cross multiply
    5,101.80x = 7,040.55 × 3,005.92
  4. Step 4: Simplify right side
    5,101.80x = 21,163,330.06
  5. Step 5: Solve for x
    x = 21,163,330.06/5,101.80
  6. Step 6: Final answer
    x = 4,148.21

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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.