Home / 7,837.45-11,757.35-2,291.18

Finding the Fourth Proportional to 7,837.45, 11,757.35 and 2,291.18

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Solution

The fourth proportional to 7,837.45, 11,757.35 and 2,291.18 is: 3,437.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.45 : 11,757.35 = 2,291.18 : x
  2. Step 2: Convert to fraction form
    7,837.45/11,757.35 = 2,291.18/x
  3. Step 3: Cross multiply
    7,837.45x = 11,757.35 × 2,291.18
  4. Step 4: Simplify right side
    7,837.45x = 26,938,152.11
  5. Step 5: Solve for x
    x = 26,938,152.11/7,837.45
  6. Step 6: Final answer
    x = 3,437.11

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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.