Home / 4,991.34-6,891.01-4,437.80

Finding the Fourth Proportional to 4,991.34, 6,891.01 and 4,437.80

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Solution

The fourth proportional to 4,991.34, 6,891.01 and 4,437.80 is: 6,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.34 : 6,891.01 = 4,437.80 : x
  2. Step 2: Convert to fraction form
    4,991.34/6,891.01 = 4,437.80/x
  3. Step 3: Cross multiply
    4,991.34x = 6,891.01 × 4,437.80
  4. Step 4: Simplify right side
    4,991.34x = 30,580,924.18
  5. Step 5: Solve for x
    x = 30,580,924.18/4,991.34
  6. Step 6: Final answer
    x = 6,126.80

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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.