Home / 4,297.28-6,443.52-2,101.28

Finding the Fourth Proportional to 4,297.28, 6,443.52 and 2,101.28

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Solution

The fourth proportional to 4,297.28, 6,443.52 and 2,101.28 is: 3,150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,297.28 : 6,443.52 = 2,101.28 : x
  2. Step 2: Convert to fraction form
    4,297.28/6,443.52 = 2,101.28/x
  3. Step 3: Cross multiply
    4,297.28x = 6,443.52 × 2,101.28
  4. Step 4: Simplify right side
    4,297.28x = 13,539,639.71
  5. Step 5: Solve for x
    x = 13,539,639.71/4,297.28
  6. Step 6: Final answer
    x = 3,150.75

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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.