Home / 4,561.16-6,290.54-3,147.11

Finding the Fourth Proportional to 4,561.16, 6,290.54 and 3,147.11

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Solution

The fourth proportional to 4,561.16, 6,290.54 and 3,147.11 is: 4,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.16 : 6,290.54 = 3,147.11 : x
  2. Step 2: Convert to fraction form
    4,561.16/6,290.54 = 3,147.11/x
  3. Step 3: Cross multiply
    4,561.16x = 6,290.54 × 3,147.11
  4. Step 4: Simplify right side
    4,561.16x = 19,796,985.95
  5. Step 5: Solve for x
    x = 19,796,985.95/4,561.16
  6. Step 6: Final answer
    x = 4,340.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.