Home / 7,386.64-11,082.12-2,192.65

Finding the Fourth Proportional to 7,386.64, 11,082.12 and 2,192.65

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Solution

The fourth proportional to 7,386.64, 11,082.12 and 2,192.65 is: 3,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.64 : 11,082.12 = 2,192.65 : x
  2. Step 2: Convert to fraction form
    7,386.64/11,082.12 = 2,192.65/x
  3. Step 3: Cross multiply
    7,386.64x = 11,082.12 × 2,192.65
  4. Step 4: Simplify right side
    7,386.64x = 24,299,210.42
  5. Step 5: Solve for x
    x = 24,299,210.42/7,386.64
  6. Step 6: Final answer
    x = 3,289.62

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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.