Home / 10,530.47-15,795.74-2,739.29

Finding the Fourth Proportional to 10,530.47, 15,795.74 and 2,739.29

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Solution

The fourth proportional to 10,530.47, 15,795.74 and 2,739.29 is: 4,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.47 : 15,795.74 = 2,739.29 : x
  2. Step 2: Convert to fraction form
    10,530.47/15,795.74 = 2,739.29/x
  3. Step 3: Cross multiply
    10,530.47x = 15,795.74 × 2,739.29
  4. Step 4: Simplify right side
    10,530.47x = 43,269,019.95
  5. Step 5: Solve for x
    x = 43,269,019.95/10,530.47
  6. Step 6: Final answer
    x = 4,108.93

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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.