Home / 7,869.06-11,805.48-3,487.77

Finding the Fourth Proportional to 7,869.06, 11,805.48 and 3,487.77

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Solution

The fourth proportional to 7,869.06, 11,805.48 and 3,487.77 is: 5,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.06 : 11,805.48 = 3,487.77 : x
  2. Step 2: Convert to fraction form
    7,869.06/11,805.48 = 3,487.77/x
  3. Step 3: Cross multiply
    7,869.06x = 11,805.48 × 3,487.77
  4. Step 4: Simplify right side
    7,869.06x = 41,174,798.98
  5. Step 5: Solve for x
    x = 41,174,798.98/7,869.06
  6. Step 6: Final answer
    x = 5,232.49

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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.