Home / 4,742.20-6,544.21-2,646.32

Finding the Fourth Proportional to 4,742.20, 6,544.21 and 2,646.32

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Solution

The fourth proportional to 4,742.20, 6,544.21 and 2,646.32 is: 3,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.20 : 6,544.21 = 2,646.32 : x
  2. Step 2: Convert to fraction form
    4,742.20/6,544.21 = 2,646.32/x
  3. Step 3: Cross multiply
    4,742.20x = 6,544.21 × 2,646.32
  4. Step 4: Simplify right side
    4,742.20x = 17,318,073.81
  5. Step 5: Solve for x
    x = 17,318,073.81/4,742.20
  6. Step 6: Final answer
    x = 3,651.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.