Home / 10,504.50-15,756.75-3,579

Finding the Fourth Proportional to 10,504.50, 15,756.75 and 3,579

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Solution

The fourth proportional to 10,504.50, 15,756.75 and 3,579 is: 5,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.50 : 15,756.75 = 3,579 : x
  2. Step 2: Convert to fraction form
    10,504.50/15,756.75 = 3,579/x
  3. Step 3: Cross multiply
    10,504.50x = 15,756.75 × 3,579
  4. Step 4: Simplify right side
    10,504.50x = 56,393,408.25
  5. Step 5: Solve for x
    x = 56,393,408.25/10,504.50
  6. Step 6: Final answer
    x = 5,368.50

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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.