Home / 9,808.05-13,535.12-5,331.79

Finding the Fourth Proportional to 9,808.05, 13,535.12 and 5,331.79

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Solution

The fourth proportional to 9,808.05, 13,535.12 and 5,331.79 is: 7,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.05 : 13,535.12 = 5,331.79 : x
  2. Step 2: Convert to fraction form
    9,808.05/13,535.12 = 5,331.79/x
  3. Step 3: Cross multiply
    9,808.05x = 13,535.12 × 5,331.79
  4. Step 4: Simplify right side
    9,808.05x = 72,166,323.13
  5. Step 5: Solve for x
    x = 72,166,323.13/9,808.05
  6. Step 6: Final answer
    x = 7,357.87

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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.