Home / 4,430.24-6,646.72-1,965.68

Finding the Fourth Proportional to 4,430.24, 6,646.72 and 1,965.68

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Solution

The fourth proportional to 4,430.24, 6,646.72 and 1,965.68 is: 2,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.24 : 6,646.72 = 1,965.68 : x
  2. Step 2: Convert to fraction form
    4,430.24/6,646.72 = 1,965.68/x
  3. Step 3: Cross multiply
    4,430.24x = 6,646.72 × 1,965.68
  4. Step 4: Simplify right side
    4,430.24x = 13,065,324.57
  5. Step 5: Solve for x
    x = 13,065,324.57/4,430.24
  6. Step 6: Final answer
    x = 2,949.12

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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.