Home / 4,176.39-6,259.17-3,128.13

Finding the Fourth Proportional to 4,176.39, 6,259.17 and 3,128.13

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Solution

The fourth proportional to 4,176.39, 6,259.17 and 3,128.13 is: 4,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.39 : 6,259.17 = 3,128.13 : x
  2. Step 2: Convert to fraction form
    4,176.39/6,259.17 = 3,128.13/x
  3. Step 3: Cross multiply
    4,176.39x = 6,259.17 × 3,128.13
  4. Step 4: Simplify right side
    4,176.39x = 19,579,497.45
  5. Step 5: Solve for x
    x = 19,579,497.45/4,176.39
  6. Step 6: Final answer
    x = 4,688.14

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1.5x scale

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.