Home / 4,991.23-6,887.65-3,001.40

Finding the Fourth Proportional to 4,991.23, 6,887.65 and 3,001.40

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Solution

The fourth proportional to 4,991.23, 6,887.65 and 3,001.40 is: 4,141.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.23 : 6,887.65 = 3,001.40 : x
  2. Step 2: Convert to fraction form
    4,991.23/6,887.65 = 3,001.40/x
  3. Step 3: Cross multiply
    4,991.23x = 6,887.65 × 3,001.40
  4. Step 4: Simplify right side
    4,991.23x = 20,672,543.26
  5. Step 5: Solve for x
    x = 20,672,543.26/4,991.23
  6. Step 6: Final answer
    x = 4,141.78

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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.