Home / 4,430.14-6,646.86-1,963.20

Finding the Fourth Proportional to 4,430.14, 6,646.86 and 1,963.20

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Solution

The fourth proportional to 4,430.14, 6,646.86 and 1,963.20 is: 2,945.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.14 : 6,646.86 = 1,963.20 : x
  2. Step 2: Convert to fraction form
    4,430.14/6,646.86 = 1,963.20/x
  3. Step 3: Cross multiply
    4,430.14x = 6,646.86 × 1,963.20
  4. Step 4: Simplify right side
    4,430.14x = 13,049,115.55
  5. Step 5: Solve for x
    x = 13,049,115.55/4,430.14
  6. Step 6: Final answer
    x = 2,945.53

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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.