Home / 6,912.11-9,535.70-4,392.87

Finding the Fourth Proportional to 6,912.11, 9,535.70 and 4,392.87

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Solution

The fourth proportional to 6,912.11, 9,535.70 and 4,392.87 is: 6,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.11 : 9,535.70 = 4,392.87 : x
  2. Step 2: Convert to fraction form
    6,912.11/9,535.70 = 4,392.87/x
  3. Step 3: Cross multiply
    6,912.11x = 9,535.70 × 4,392.87
  4. Step 4: Simplify right side
    6,912.11x = 41,889,090.46
  5. Step 5: Solve for x
    x = 41,889,090.46/6,912.11
  6. Step 6: Final answer
    x = 6,060.25

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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.