Home / 8,935.24-12,331.50-5,209

Finding the Fourth Proportional to 8,935.24, 12,331.50 and 5,209

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Solution

The fourth proportional to 8,935.24, 12,331.50 and 5,209 is: 7,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.24 : 12,331.50 = 5,209 : x
  2. Step 2: Convert to fraction form
    8,935.24/12,331.50 = 5,209/x
  3. Step 3: Cross multiply
    8,935.24x = 12,331.50 × 5,209
  4. Step 4: Simplify right side
    8,935.24x = 64,234,783.50
  5. Step 5: Solve for x
    x = 64,234,783.50/8,935.24
  6. Step 6: Final answer
    x = 7,188.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.