Home / 9,331.34-13,991.54-3,488.40

Finding the Fourth Proportional to 9,331.34, 13,991.54 and 3,488.40

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Solution

The fourth proportional to 9,331.34, 13,991.54 and 3,488.40 is: 5,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.34 : 13,991.54 = 3,488.40 : x
  2. Step 2: Convert to fraction form
    9,331.34/13,991.54 = 3,488.40/x
  3. Step 3: Cross multiply
    9,331.34x = 13,991.54 × 3,488.40
  4. Step 4: Simplify right side
    9,331.34x = 48,808,070.69
  5. Step 5: Solve for x
    x = 48,808,070.69/9,331.34
  6. Step 6: Final answer
    x = 5,230.56

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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.