Home / 7,946.81-11,920.26-2,400.13

Finding the Fourth Proportional to 7,946.81, 11,920.26 and 2,400.13

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Solution

The fourth proportional to 7,946.81, 11,920.26 and 2,400.13 is: 3,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.81 : 11,920.26 = 2,400.13 : x
  2. Step 2: Convert to fraction form
    7,946.81/11,920.26 = 2,400.13/x
  3. Step 3: Cross multiply
    7,946.81x = 11,920.26 × 2,400.13
  4. Step 4: Simplify right side
    7,946.81x = 28,610,197.53
  5. Step 5: Solve for x
    x = 28,610,197.53/7,946.81
  6. Step 6: Final answer
    x = 3,600.21

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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.