Home / 10,539.95-15,810.83-2,748.75

Finding the Fourth Proportional to 10,539.95, 15,810.83 and 2,748.75

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Solution

The fourth proportional to 10,539.95, 15,810.83 and 2,748.75 is: 4,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.95 : 15,810.83 = 2,748.75 : x
  2. Step 2: Convert to fraction form
    10,539.95/15,810.83 = 2,748.75/x
  3. Step 3: Cross multiply
    10,539.95x = 15,810.83 × 2,748.75
  4. Step 4: Simplify right side
    10,539.95x = 43,460,018.96
  5. Step 5: Solve for x
    x = 43,460,018.96/10,539.95
  6. Step 6: Final answer
    x = 4,123.36

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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.