Home / 7,837.40-11,756.28-1,994.06

Finding the Fourth Proportional to 7,837.40, 11,756.28 and 1,994.06

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Solution

The fourth proportional to 7,837.40, 11,756.28 and 1,994.06 is: 2,991.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.40 : 11,756.28 = 1,994.06 : x
  2. Step 2: Convert to fraction form
    7,837.40/11,756.28 = 1,994.06/x
  3. Step 3: Cross multiply
    7,837.40x = 11,756.28 × 1,994.06
  4. Step 4: Simplify right side
    7,837.40x = 23,442,727.70
  5. Step 5: Solve for x
    x = 23,442,727.70/7,837.40
  6. Step 6: Final answer
    x = 2,991.14

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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.