Home / 5,087.26-7,632.78-1,624.78

Finding the Fourth Proportional to 5,087.26, 7,632.78 and 1,624.78

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Solution

The fourth proportional to 5,087.26, 7,632.78 and 1,624.78 is: 2,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.26 : 7,632.78 = 1,624.78 : x
  2. Step 2: Convert to fraction form
    5,087.26/7,632.78 = 1,624.78/x
  3. Step 3: Cross multiply
    5,087.26x = 7,632.78 × 1,624.78
  4. Step 4: Simplify right side
    5,087.26x = 12,401,588.29
  5. Step 5: Solve for x
    x = 12,401,588.29/5,087.26
  6. Step 6: Final answer
    x = 2,437.77

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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.