Home / 4,756.32-7,134.14-1,636.20

Finding the Fourth Proportional to 4,756.32, 7,134.14 and 1,636.20

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Solution

The fourth proportional to 4,756.32, 7,134.14 and 1,636.20 is: 2,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.32 : 7,134.14 = 1,636.20 : x
  2. Step 2: Convert to fraction form
    4,756.32/7,134.14 = 1,636.20/x
  3. Step 3: Cross multiply
    4,756.32x = 7,134.14 × 1,636.20
  4. Step 4: Simplify right side
    4,756.32x = 11,672,883.96
  5. Step 5: Solve for x
    x = 11,672,883.96/4,756.32
  6. Step 6: Final answer
    x = 2,454.18

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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.