Home / 4,887.79-7,332.70-2,114.85

Finding the Fourth Proportional to 4,887.79, 7,332.70 and 2,114.85

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Solution

The fourth proportional to 4,887.79, 7,332.70 and 2,114.85 is: 3,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.79 : 7,332.70 = 2,114.85 : x
  2. Step 2: Convert to fraction form
    4,887.79/7,332.70 = 2,114.85/x
  3. Step 3: Cross multiply
    4,887.79x = 7,332.70 × 2,114.85
  4. Step 4: Simplify right side
    4,887.79x = 15,507,582.94
  5. Step 5: Solve for x
    x = 15,507,582.94/4,887.79
  6. Step 6: Final answer
    x = 3,172.72

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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.