Home / 4,378.64-6,566.97-1,258.64

Finding the Fourth Proportional to 4,378.64, 6,566.97 and 1,258.64

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Solution

The fourth proportional to 4,378.64, 6,566.97 and 1,258.64 is: 1,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.64 : 6,566.97 = 1,258.64 : x
  2. Step 2: Convert to fraction form
    4,378.64/6,566.97 = 1,258.64/x
  3. Step 3: Cross multiply
    4,378.64x = 6,566.97 × 1,258.64
  4. Step 4: Simplify right side
    4,378.64x = 8,265,451.12
  5. Step 5: Solve for x
    x = 8,265,451.12/4,378.64
  6. Step 6: Final answer
    x = 1,887.68

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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.