Home / 4,651.60-6,419.28-2,555.68

Finding the Fourth Proportional to 4,651.60, 6,419.28 and 2,555.68

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Solution

The fourth proportional to 4,651.60, 6,419.28 and 2,555.68 is: 3,526.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.60 : 6,419.28 = 2,555.68 : x
  2. Step 2: Convert to fraction form
    4,651.60/6,419.28 = 2,555.68/x
  3. Step 3: Cross multiply
    4,651.60x = 6,419.28 × 2,555.68
  4. Step 4: Simplify right side
    4,651.60x = 16,405,625.51
  5. Step 5: Solve for x
    x = 16,405,625.51/4,651.60
  6. Step 6: Final answer
    x = 3,526.88

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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.