Home / 4,117.90-6,176.85-3,664.30

Finding the Fourth Proportional to 4,117.90, 6,176.85 and 3,664.30

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Solution

The fourth proportional to 4,117.90, 6,176.85 and 3,664.30 is: 5,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.90 : 6,176.85 = 3,664.30 : x
  2. Step 2: Convert to fraction form
    4,117.90/6,176.85 = 3,664.30/x
  3. Step 3: Cross multiply
    4,117.90x = 6,176.85 × 3,664.30
  4. Step 4: Simplify right side
    4,117.90x = 22,633,831.46
  5. Step 5: Solve for x
    x = 22,633,831.46/4,117.90
  6. Step 6: Final answer
    x = 5,496.45

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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.