Home / 6,927.21-9,561.51-4,408.11

Finding the Fourth Proportional to 6,927.21, 9,561.51 and 4,408.11

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Solution

The fourth proportional to 6,927.21, 9,561.51 and 4,408.11 is: 6,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.21 : 9,561.51 = 4,408.11 : x
  2. Step 2: Convert to fraction form
    6,927.21/9,561.51 = 4,408.11/x
  3. Step 3: Cross multiply
    6,927.21x = 9,561.51 × 4,408.11
  4. Step 4: Simplify right side
    6,927.21x = 42,148,187.85
  5. Step 5: Solve for x
    x = 42,148,187.85/6,927.21
  6. Step 6: Final answer
    x = 6,084.44

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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.