Home / 6,854.40-9,459.15-4,021.82

Finding the Fourth Proportional to 6,854.40, 9,459.15 and 4,021.82

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Solution

The fourth proportional to 6,854.40, 9,459.15 and 4,021.82 is: 5,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854.40 : 9,459.15 = 4,021.82 : x
  2. Step 2: Convert to fraction form
    6,854.40/9,459.15 = 4,021.82/x
  3. Step 3: Cross multiply
    6,854.40x = 9,459.15 × 4,021.82
  4. Step 4: Simplify right side
    6,854.40x = 38,042,998.65
  5. Step 5: Solve for x
    x = 38,042,998.65/6,854.40
  6. Step 6: Final answer
    x = 5,550.16

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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.