Home / 10,261.09-15,388.89-2,865.07

Finding the Fourth Proportional to 10,261.09, 15,388.89 and 2,865.07

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Solution

The fourth proportional to 10,261.09, 15,388.89 and 2,865.07 is: 4,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.09 : 15,388.89 = 2,865.07 : x
  2. Step 2: Convert to fraction form
    10,261.09/15,388.89 = 2,865.07/x
  3. Step 3: Cross multiply
    10,261.09x = 15,388.89 × 2,865.07
  4. Step 4: Simplify right side
    10,261.09x = 44,090,247.07
  5. Step 5: Solve for x
    x = 44,090,247.07/10,261.09
  6. Step 6: Final answer
    x = 4,296.84

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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.