Home / 4,946.22-7,420.61-2,605.64

Finding the Fourth Proportional to 4,946.22, 7,420.61 and 2,605.64

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Solution

The fourth proportional to 4,946.22, 7,420.61 and 2,605.64 is: 3,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.22 : 7,420.61 = 2,605.64 : x
  2. Step 2: Convert to fraction form
    4,946.22/7,420.61 = 2,605.64/x
  3. Step 3: Cross multiply
    4,946.22x = 7,420.61 × 2,605.64
  4. Step 4: Simplify right side
    4,946.22x = 19,335,407.65
  5. Step 5: Solve for x
    x = 19,335,407.65/4,946.22
  6. Step 6: Final answer
    x = 3,909.13

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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.