Home / 7,020.40-10,524.48-2,636.68

Finding the Fourth Proportional to 7,020.40, 10,524.48 and 2,636.68

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Solution

The fourth proportional to 7,020.40, 10,524.48 and 2,636.68 is: 3,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.40 : 10,524.48 = 2,636.68 : x
  2. Step 2: Convert to fraction form
    7,020.40/10,524.48 = 2,636.68/x
  3. Step 3: Cross multiply
    7,020.40x = 10,524.48 × 2,636.68
  4. Step 4: Simplify right side
    7,020.40x = 27,749,685.93
  5. Step 5: Solve for x
    x = 27,749,685.93/7,020.40
  6. Step 6: Final answer
    x = 3,952.72

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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.