Home / 7,521.68-11,266.09-3,125.81

Finding the Fourth Proportional to 7,521.68, 11,266.09 and 3,125.81

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Solution

The fourth proportional to 7,521.68, 11,266.09 and 3,125.81 is: 4,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.68 : 11,266.09 = 3,125.81 : x
  2. Step 2: Convert to fraction form
    7,521.68/11,266.09 = 3,125.81/x
  3. Step 3: Cross multiply
    7,521.68x = 11,266.09 × 3,125.81
  4. Step 4: Simplify right side
    7,521.68x = 35,215,656.78
  5. Step 5: Solve for x
    x = 35,215,656.78/7,521.68
  6. Step 6: Final answer
    x = 4,681.89

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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.