Home / 6,920.06-9,549.36-4,267.72

Finding the Fourth Proportional to 6,920.06, 9,549.36 and 4,267.72

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Solution

The fourth proportional to 6,920.06, 9,549.36 and 4,267.72 is: 5,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.06 : 9,549.36 = 4,267.72 : x
  2. Step 2: Convert to fraction form
    6,920.06/9,549.36 = 4,267.72/x
  3. Step 3: Cross multiply
    6,920.06x = 9,549.36 × 4,267.72
  4. Step 4: Simplify right side
    6,920.06x = 40,753,994.66
  5. Step 5: Solve for x
    x = 40,753,994.66/6,920.06
  6. Step 6: Final answer
    x = 5,889.25

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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.