Home / 5,426.91-7,491.66-3,440.16

Finding the Fourth Proportional to 5,426.91, 7,491.66 and 3,440.16

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Solution

The fourth proportional to 5,426.91, 7,491.66 and 3,440.16 is: 4,749.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.91 : 7,491.66 = 3,440.16 : x
  2. Step 2: Convert to fraction form
    5,426.91/7,491.66 = 3,440.16/x
  3. Step 3: Cross multiply
    5,426.91x = 7,491.66 × 3,440.16
  4. Step 4: Simplify right side
    5,426.91x = 25,772,509.07
  5. Step 5: Solve for x
    x = 25,772,509.07/5,426.91
  6. Step 6: Final answer
    x = 4,749.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.