Home / 8,756.37-13,137.86-5,248.88

Finding the Fourth Proportional to 8,756.37, 13,137.86 and 5,248.88

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Solution

The fourth proportional to 8,756.37, 13,137.86 and 5,248.88 is: 7,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.37 : 13,137.86 = 5,248.88 : x
  2. Step 2: Convert to fraction form
    8,756.37/13,137.86 = 5,248.88/x
  3. Step 3: Cross multiply
    8,756.37x = 13,137.86 × 5,248.88
  4. Step 4: Simplify right side
    8,756.37x = 68,958,988.20
  5. Step 5: Solve for x
    x = 68,958,988.20/8,756.37
  6. Step 6: Final answer
    x = 7,875.30

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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.