Home / 7,641.13-11,457.91-2,710.03

Finding the Fourth Proportional to 7,641.13, 11,457.91 and 2,710.03

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Solution

The fourth proportional to 7,641.13, 11,457.91 and 2,710.03 is: 4,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.13 : 11,457.91 = 2,710.03 : x
  2. Step 2: Convert to fraction form
    7,641.13/11,457.91 = 2,710.03/x
  3. Step 3: Cross multiply
    7,641.13x = 11,457.91 × 2,710.03
  4. Step 4: Simplify right side
    7,641.13x = 31,051,254.58
  5. Step 5: Solve for x
    x = 31,051,254.58/7,641.13
  6. Step 6: Final answer
    x = 4,063.70

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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.