Home / 7,029.88-9,705.27-4,380.82

Finding the Fourth Proportional to 7,029.88, 9,705.27 and 4,380.82

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Solution

The fourth proportional to 7,029.88, 9,705.27 and 4,380.82 is: 6,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.88 : 9,705.27 = 4,380.82 : x
  2. Step 2: Convert to fraction form
    7,029.88/9,705.27 = 4,380.82/x
  3. Step 3: Cross multiply
    7,029.88x = 9,705.27 × 4,380.82
  4. Step 4: Simplify right side
    7,029.88x = 42,517,040.92
  5. Step 5: Solve for x
    x = 42,517,040.92/7,029.88
  6. Step 6: Final answer
    x = 6,048.05

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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.