Home / 4,894.22-7,341.35-1,431.47

Finding the Fourth Proportional to 4,894.22, 7,341.35 and 1,431.47

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Solution

The fourth proportional to 4,894.22, 7,341.35 and 1,431.47 is: 2,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.22 : 7,341.35 = 1,431.47 : x
  2. Step 2: Convert to fraction form
    4,894.22/7,341.35 = 1,431.47/x
  3. Step 3: Cross multiply
    4,894.22x = 7,341.35 × 1,431.47
  4. Step 4: Simplify right side
    4,894.22x = 10,508,878.42
  5. Step 5: Solve for x
    x = 10,508,878.42/4,894.22
  6. Step 6: Final answer
    x = 2,147.20

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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.