Home / 4,372.64-6,558.84-1,085.69

Finding the Fourth Proportional to 4,372.64, 6,558.84 and 1,085.69

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Solution

The fourth proportional to 4,372.64, 6,558.84 and 1,085.69 is: 1,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372.64 : 6,558.84 = 1,085.69 : x
  2. Step 2: Convert to fraction form
    4,372.64/6,558.84 = 1,085.69/x
  3. Step 3: Cross multiply
    4,372.64x = 6,558.84 × 1,085.69
  4. Step 4: Simplify right side
    4,372.64x = 7,120,867.00
  5. Step 5: Solve for x
    x = 7,120,867.00/4,372.64
  6. Step 6: Final answer
    x = 1,628.51

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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.