Home / 4,887.50-7,330.12-2,913.68

Finding the Fourth Proportional to 4,887.50, 7,330.12 and 2,913.68

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Solution

The fourth proportional to 4,887.50, 7,330.12 and 2,913.68 is: 4,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.50 : 7,330.12 = 2,913.68 : x
  2. Step 2: Convert to fraction form
    4,887.50/7,330.12 = 2,913.68/x
  3. Step 3: Cross multiply
    4,887.50x = 7,330.12 × 2,913.68
  4. Step 4: Simplify right side
    4,887.50x = 21,357,591.15
  5. Step 5: Solve for x
    x = 21,357,591.15/4,887.50
  6. Step 6: Final answer
    x = 4,369.84

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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.