Home / 4,989.40-6,887.84-3,001.48

Finding the Fourth Proportional to 4,989.40, 6,887.84 and 3,001.48

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Solution

The fourth proportional to 4,989.40, 6,887.84 and 3,001.48 is: 4,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.40 : 6,887.84 = 3,001.48 : x
  2. Step 2: Convert to fraction form
    4,989.40/6,887.84 = 3,001.48/x
  3. Step 3: Cross multiply
    4,989.40x = 6,887.84 × 3,001.48
  4. Step 4: Simplify right side
    4,989.40x = 20,673,714.00
  5. Step 5: Solve for x
    x = 20,673,714.00/4,989.40
  6. Step 6: Final answer
    x = 4,143.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.