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Finding the Fourth Proportional to 6,811.04, 9,408.48 and 5,337.56

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Solution

The fourth proportional to 6,811.04, 9,408.48 and 5,337.56 is: 7,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.04 : 9,408.48 = 5,337.56 : x
  2. Step 2: Convert to fraction form
    6,811.04/9,408.48 = 5,337.56/x
  3. Step 3: Cross multiply
    6,811.04x = 9,408.48 × 5,337.56
  4. Step 4: Simplify right side
    6,811.04x = 50,218,326.51
  5. Step 5: Solve for x
    x = 50,218,326.51/6,811.04
  6. Step 6: Final answer
    x = 7,373.08

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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.