Home / 8,628.18-12,939.93-3,700.14

Finding the Fourth Proportional to 8,628.18, 12,939.93 and 3,700.14

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Solution

The fourth proportional to 8,628.18, 12,939.93 and 3,700.14 is: 5,549.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.18 : 12,939.93 = 3,700.14 : x
  2. Step 2: Convert to fraction form
    8,628.18/12,939.93 = 3,700.14/x
  3. Step 3: Cross multiply
    8,628.18x = 12,939.93 × 3,700.14
  4. Step 4: Simplify right side
    8,628.18x = 47,879,552.59
  5. Step 5: Solve for x
    x = 47,879,552.59/8,628.18
  6. Step 6: Final answer
    x = 5,549.21

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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.