Home / 4,651.78-6,419.61-2,556.10

Finding the Fourth Proportional to 4,651.78, 6,419.61 and 2,556.10

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Solution

The fourth proportional to 4,651.78, 6,419.61 and 2,556.10 is: 3,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.78 : 6,419.61 = 2,556.10 : x
  2. Step 2: Convert to fraction form
    4,651.78/6,419.61 = 2,556.10/x
  3. Step 3: Cross multiply
    4,651.78x = 6,419.61 × 2,556.10
  4. Step 4: Simplify right side
    4,651.78x = 16,409,165.12
  5. Step 5: Solve for x
    x = 16,409,165.12/4,651.78
  6. Step 6: Final answer
    x = 3,527.50

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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.