Home / 4,180.62-6,271.33-1,407.32

Finding the Fourth Proportional to 4,180.62, 6,271.33 and 1,407.32

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Solution

The fourth proportional to 4,180.62, 6,271.33 and 1,407.32 is: 2,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.62 : 6,271.33 = 1,407.32 : x
  2. Step 2: Convert to fraction form
    4,180.62/6,271.33 = 1,407.32/x
  3. Step 3: Cross multiply
    4,180.62x = 6,271.33 × 1,407.32
  4. Step 4: Simplify right side
    4,180.62x = 8,825,768.14
  5. Step 5: Solve for x
    x = 8,825,768.14/4,180.62
  6. Step 6: Final answer
    x = 2,111.11

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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.