Home / 4,887.09-7,320.87-2,938.23

Finding the Fourth Proportional to 4,887.09, 7,320.87 and 2,938.23

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Solution

The fourth proportional to 4,887.09, 7,320.87 and 2,938.23 is: 4,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.09 : 7,320.87 = 2,938.23 : x
  2. Step 2: Convert to fraction form
    4,887.09/7,320.87 = 2,938.23/x
  3. Step 3: Cross multiply
    4,887.09x = 7,320.87 × 2,938.23
  4. Step 4: Simplify right side
    4,887.09x = 21,510,399.86
  5. Step 5: Solve for x
    x = 21,510,399.86/4,887.09
  6. Step 6: Final answer
    x = 4,401.47

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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.