Home / 4,887.16-7,330.68-1,189.39

Finding the Fourth Proportional to 4,887.16, 7,330.68 and 1,189.39

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Solution

The fourth proportional to 4,887.16, 7,330.68 and 1,189.39 is: 1,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.16 : 7,330.68 = 1,189.39 : x
  2. Step 2: Convert to fraction form
    4,887.16/7,330.68 = 1,189.39/x
  3. Step 3: Cross multiply
    4,887.16x = 7,330.68 × 1,189.39
  4. Step 4: Simplify right side
    4,887.16x = 8,719,037.49
  5. Step 5: Solve for x
    x = 8,719,037.49/4,887.16
  6. Step 6: Final answer
    x = 1,784.07

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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.