Home / 6,921.84-9,549.25-4,405.33

Finding the Fourth Proportional to 6,921.84, 9,549.25 and 4,405.33

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Solution

The fourth proportional to 6,921.84, 9,549.25 and 4,405.33 is: 6,077.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.84 : 9,549.25 = 4,405.33 : x
  2. Step 2: Convert to fraction form
    6,921.84/9,549.25 = 4,405.33/x
  3. Step 3: Cross multiply
    6,921.84x = 9,549.25 × 4,405.33
  4. Step 4: Simplify right side
    6,921.84x = 42,067,597.50
  5. Step 5: Solve for x
    x = 42,067,597.50/6,921.84
  6. Step 6: Final answer
    x = 6,077.52

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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.