Home / 9,110.16-13,666.23-2,870.37

Finding the Fourth Proportional to 9,110.16, 13,666.23 and 2,870.37

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Solution

The fourth proportional to 9,110.16, 13,666.23 and 2,870.37 is: 4,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.16 : 13,666.23 = 2,870.37 : x
  2. Step 2: Convert to fraction form
    9,110.16/13,666.23 = 2,870.37/x
  3. Step 3: Cross multiply
    9,110.16x = 13,666.23 × 2,870.37
  4. Step 4: Simplify right side
    9,110.16x = 39,227,136.61
  5. Step 5: Solve for x
    x = 39,227,136.61/9,110.16
  6. Step 6: Final answer
    x = 4,305.87

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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.