Home / 6,214.12-9,319.90-2,749.16

Finding the Fourth Proportional to 6,214.12, 9,319.90 and 2,749.16

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Solution

The fourth proportional to 6,214.12, 9,319.90 and 2,749.16 is: 4,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.12 : 9,319.90 = 2,749.16 : x
  2. Step 2: Convert to fraction form
    6,214.12/9,319.90 = 2,749.16/x
  3. Step 3: Cross multiply
    6,214.12x = 9,319.90 × 2,749.16
  4. Step 4: Simplify right side
    6,214.12x = 25,621,896.28
  5. Step 5: Solve for x
    x = 25,621,896.28/6,214.12
  6. Step 6: Final answer
    x = 4,123.17

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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.