Home / 7,501.91-11,257.84-3,119.36

Finding the Fourth Proportional to 7,501.91, 11,257.84 and 3,119.36

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Solution

The fourth proportional to 7,501.91, 11,257.84 and 3,119.36 is: 4,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.91 : 11,257.84 = 3,119.36 : x
  2. Step 2: Convert to fraction form
    7,501.91/11,257.84 = 3,119.36/x
  3. Step 3: Cross multiply
    7,501.91x = 11,257.84 × 3,119.36
  4. Step 4: Simplify right side
    7,501.91x = 35,117,255.78
  5. Step 5: Solve for x
    x = 35,117,255.78/7,501.91
  6. Step 6: Final answer
    x = 4,681.11

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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.