Home / 7,923.84-11,887.74-2,377.15

Finding the Fourth Proportional to 7,923.84, 11,887.74 and 2,377.15

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Solution

The fourth proportional to 7,923.84, 11,887.74 and 2,377.15 is: 3,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.84 : 11,887.74 = 2,377.15 : x
  2. Step 2: Convert to fraction form
    7,923.84/11,887.74 = 2,377.15/x
  3. Step 3: Cross multiply
    7,923.84x = 11,887.74 × 2,377.15
  4. Step 4: Simplify right side
    7,923.84x = 28,258,941.14
  5. Step 5: Solve for x
    x = 28,258,941.14/7,923.84
  6. Step 6: Final answer
    x = 3,566.32

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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.