Home / 9,749.28-13,460.16-6,764.16

Finding the Fourth Proportional to 9,749.28, 13,460.16 and 6,764.16

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Solution

The fourth proportional to 9,749.28, 13,460.16 and 6,764.16 is: 9,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.28 : 13,460.16 = 6,764.16 : x
  2. Step 2: Convert to fraction form
    9,749.28/13,460.16 = 6,764.16/x
  3. Step 3: Cross multiply
    9,749.28x = 13,460.16 × 6,764.16
  4. Step 4: Simplify right side
    9,749.28x = 91,046,675.87
  5. Step 5: Solve for x
    x = 91,046,675.87/9,749.28
  6. Step 6: Final answer
    x = 9,338.81

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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.