Home / 4,309.29-6,463.80-1,189.49

Finding the Fourth Proportional to 4,309.29, 6,463.80 and 1,189.49

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Solution

The fourth proportional to 4,309.29, 6,463.80 and 1,189.49 is: 1,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.29 : 6,463.80 = 1,189.49 : x
  2. Step 2: Convert to fraction form
    4,309.29/6,463.80 = 1,189.49/x
  3. Step 3: Cross multiply
    4,309.29x = 6,463.80 × 1,189.49
  4. Step 4: Simplify right side
    4,309.29x = 7,688,593.14
  5. Step 5: Solve for x
    x = 7,688,593.14/4,309.29
  6. Step 6: Final answer
    x = 1,784.19

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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.