Home / 9,140.75-13,711.13-3,297.36

Finding the Fourth Proportional to 9,140.75, 13,711.13 and 3,297.36

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Solution

The fourth proportional to 9,140.75, 13,711.13 and 3,297.36 is: 4,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.75 : 13,711.13 = 3,297.36 : x
  2. Step 2: Convert to fraction form
    9,140.75/13,711.13 = 3,297.36/x
  3. Step 3: Cross multiply
    9,140.75x = 13,711.13 × 3,297.36
  4. Step 4: Simplify right side
    9,140.75x = 45,210,463.71
  5. Step 5: Solve for x
    x = 45,210,463.71/9,140.75
  6. Step 6: Final answer
    x = 4,946.04

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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.