Home / 7,278.58-10,918.14-2,348.74

Finding the Fourth Proportional to 7,278.58, 10,918.14 and 2,348.74

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Solution

The fourth proportional to 7,278.58, 10,918.14 and 2,348.74 is: 3,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.58 : 10,918.14 = 2,348.74 : x
  2. Step 2: Convert to fraction form
    7,278.58/10,918.14 = 2,348.74/x
  3. Step 3: Cross multiply
    7,278.58x = 10,918.14 × 2,348.74
  4. Step 4: Simplify right side
    7,278.58x = 25,643,872.14
  5. Step 5: Solve for x
    x = 25,643,872.14/7,278.58
  6. Step 6: Final answer
    x = 3,523.20

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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.