Home / 9,407.92-12,983.36-5,216.16

Finding the Fourth Proportional to 9,407.92, 12,983.36 and 5,216.16

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Solution

The fourth proportional to 9,407.92, 12,983.36 and 5,216.16 is: 7,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,407.92 : 12,983.36 = 5,216.16 : x
  2. Step 2: Convert to fraction form
    9,407.92/12,983.36 = 5,216.16/x
  3. Step 3: Cross multiply
    9,407.92x = 12,983.36 × 5,216.16
  4. Step 4: Simplify right side
    9,407.92x = 67,723,283.10
  5. Step 5: Solve for x
    x = 67,723,283.10/9,407.92
  6. Step 6: Final answer
    x = 7,198.54

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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.