Home / 6,853.20-9,459.21-4,020.99

Finding the Fourth Proportional to 6,853.20, 9,459.21 and 4,020.99

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Solution

The fourth proportional to 6,853.20, 9,459.21 and 4,020.99 is: 5,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.20 : 9,459.21 = 4,020.99 : x
  2. Step 2: Convert to fraction form
    6,853.20/9,459.21 = 4,020.99/x
  3. Step 3: Cross multiply
    6,853.20x = 9,459.21 × 4,020.99
  4. Step 4: Simplify right side
    6,853.20x = 38,035,388.82
  5. Step 5: Solve for x
    x = 38,035,388.82/6,853.20
  6. Step 6: Final answer
    x = 5,550.02

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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.