Home / 7,345.92-11,019.06-2,152.20

Finding the Fourth Proportional to 7,345.92, 11,019.06 and 2,152.20

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Solution

The fourth proportional to 7,345.92, 11,019.06 and 2,152.20 is: 3,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.92 : 11,019.06 = 2,152.20 : x
  2. Step 2: Convert to fraction form
    7,345.92/11,019.06 = 2,152.20/x
  3. Step 3: Cross multiply
    7,345.92x = 11,019.06 × 2,152.20
  4. Step 4: Simplify right side
    7,345.92x = 23,715,220.93
  5. Step 5: Solve for x
    x = 23,715,220.93/7,345.92
  6. Step 6: Final answer
    x = 3,228.35

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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.