Home / 4,887.02-7,330.52-1,189.25

Finding the Fourth Proportional to 4,887.02, 7,330.52 and 1,189.25

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Solution

The fourth proportional to 4,887.02, 7,330.52 and 1,189.25 is: 1,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.02 : 7,330.52 = 1,189.25 : x
  2. Step 2: Convert to fraction form
    4,887.02/7,330.52 = 1,189.25/x
  3. Step 3: Cross multiply
    4,887.02x = 7,330.52 × 1,189.25
  4. Step 4: Simplify right side
    4,887.02x = 8,717,805.56
  5. Step 5: Solve for x
    x = 8,717,805.56/4,887.02
  6. Step 6: Final answer
    x = 1,783.87

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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.