Home / 4,743.62-7,114.47-1,280.06

Finding the Fourth Proportional to 4,743.62, 7,114.47 and 1,280.06

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Solution

The fourth proportional to 4,743.62, 7,114.47 and 1,280.06 is: 1,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.62 : 7,114.47 = 1,280.06 : x
  2. Step 2: Convert to fraction form
    4,743.62/7,114.47 = 1,280.06/x
  3. Step 3: Cross multiply
    4,743.62x = 7,114.47 × 1,280.06
  4. Step 4: Simplify right side
    4,743.62x = 9,106,948.47
  5. Step 5: Solve for x
    x = 9,106,948.47/4,743.62
  6. Step 6: Final answer
    x = 1,919.83

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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.