Home / 4,180.39-6,270.61-1,060.40

Finding the Fourth Proportional to 4,180.39, 6,270.61 and 1,060.40

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Solution

The fourth proportional to 4,180.39, 6,270.61 and 1,060.40 is: 1,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.39 : 6,270.61 = 1,060.40 : x
  2. Step 2: Convert to fraction form
    4,180.39/6,270.61 = 1,060.40/x
  3. Step 3: Cross multiply
    4,180.39x = 6,270.61 × 1,060.40
  4. Step 4: Simplify right side
    4,180.39x = 6,649,369.86
  5. Step 5: Solve for x
    x = 6,649,369.86/4,180.39
  6. Step 6: Final answer
    x = 1,590.61

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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.