Home / 6,749.40-10,121.38-4,559.16

Finding the Fourth Proportional to 6,749.40, 10,121.38 and 4,559.16

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Solution

The fourth proportional to 6,749.40, 10,121.38 and 4,559.16 is: 6,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.40 : 10,121.38 = 4,559.16 : x
  2. Step 2: Convert to fraction form
    6,749.40/10,121.38 = 4,559.16/x
  3. Step 3: Cross multiply
    6,749.40x = 10,121.38 × 4,559.16
  4. Step 4: Simplify right side
    6,749.40x = 46,144,990.84
  5. Step 5: Solve for x
    x = 46,144,990.84/6,749.40
  6. Step 6: Final answer
    x = 6,836.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.