Home / 7,670.16-11,491.34-3,513.65

Finding the Fourth Proportional to 7,670.16, 11,491.34 and 3,513.65

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Solution

The fourth proportional to 7,670.16, 11,491.34 and 3,513.65 is: 5,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.16 : 11,491.34 = 3,513.65 : x
  2. Step 2: Convert to fraction form
    7,670.16/11,491.34 = 3,513.65/x
  3. Step 3: Cross multiply
    7,670.16x = 11,491.34 × 3,513.65
  4. Step 4: Simplify right side
    7,670.16x = 40,376,471.77
  5. Step 5: Solve for x
    x = 40,376,471.77/7,670.16
  6. Step 6: Final answer
    x = 5,264.10

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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.