Home / 9,285.49-13,928.84-2,711.13

Finding the Fourth Proportional to 9,285.49, 13,928.84 and 2,711.13

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Solution

The fourth proportional to 9,285.49, 13,928.84 and 2,711.13 is: 4,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.49 : 13,928.84 = 2,711.13 : x
  2. Step 2: Convert to fraction form
    9,285.49/13,928.84 = 2,711.13/x
  3. Step 3: Cross multiply
    9,285.49x = 13,928.84 × 2,711.13
  4. Step 4: Simplify right side
    9,285.49x = 37,762,895.99
  5. Step 5: Solve for x
    x = 37,762,895.99/9,285.49
  6. Step 6: Final answer
    x = 4,066.87

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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.