Home / 7,219.40-10,833.15-3,058.70

Finding the Fourth Proportional to 7,219.40, 10,833.15 and 3,058.70

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Solution

The fourth proportional to 7,219.40, 10,833.15 and 3,058.70 is: 4,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.40 : 10,833.15 = 3,058.70 : x
  2. Step 2: Convert to fraction form
    7,219.40/10,833.15 = 3,058.70/x
  3. Step 3: Cross multiply
    7,219.40x = 10,833.15 × 3,058.70
  4. Step 4: Simplify right side
    7,219.40x = 33,135,355.91
  5. Step 5: Solve for x
    x = 33,135,355.91/7,219.40
  6. Step 6: Final answer
    x = 4,589.77

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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.