Home / 4,860.96-7,291.53-1,398.21

Finding the Fourth Proportional to 4,860.96, 7,291.53 and 1,398.21

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Solution

The fourth proportional to 4,860.96, 7,291.53 and 1,398.21 is: 2,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.96 : 7,291.53 = 1,398.21 : x
  2. Step 2: Convert to fraction form
    4,860.96/7,291.53 = 1,398.21/x
  3. Step 3: Cross multiply
    4,860.96x = 7,291.53 × 1,398.21
  4. Step 4: Simplify right side
    4,860.96x = 10,195,090.16
  5. Step 5: Solve for x
    x = 10,195,090.16/4,860.96
  6. Step 6: Final answer
    x = 2,097.34

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Similar ratio
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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.