Home / 7,491.83-11,242.76-3,109.29

Finding the Fourth Proportional to 7,491.83, 11,242.76 and 3,109.29

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Solution

The fourth proportional to 7,491.83, 11,242.76 and 3,109.29 is: 4,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.83 : 11,242.76 = 3,109.29 : x
  2. Step 2: Convert to fraction form
    7,491.83/11,242.76 = 3,109.29/x
  3. Step 3: Cross multiply
    7,491.83x = 11,242.76 × 3,109.29
  4. Step 4: Simplify right side
    7,491.83x = 34,956,961.02
  5. Step 5: Solve for x
    x = 34,956,961.02/7,491.83
  6. Step 6: Final answer
    x = 4,666.01

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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.