Home / 7,749.56-10,722.54-6,756.91

Finding the Fourth Proportional to 7,749.56, 10,722.54 and 6,756.91

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Solution

The fourth proportional to 7,749.56, 10,722.54 and 6,756.91 is: 9,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.56 : 10,722.54 = 6,756.91 : x
  2. Step 2: Convert to fraction form
    7,749.56/10,722.54 = 6,756.91/x
  3. Step 3: Cross multiply
    7,749.56x = 10,722.54 × 6,756.91
  4. Step 4: Simplify right side
    7,749.56x = 72,451,236.28
  5. Step 5: Solve for x
    x = 72,451,236.28/7,749.56
  6. Step 6: Final answer
    x = 9,349.07

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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.