Home / 4,665.60-6,438.64-2,677.20

Finding the Fourth Proportional to 4,665.60, 6,438.64 and 2,677.20

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Solution

The fourth proportional to 4,665.60, 6,438.64 and 2,677.20 is: 3,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.60 : 6,438.64 = 2,677.20 : x
  2. Step 2: Convert to fraction form
    4,665.60/6,438.64 = 2,677.20/x
  3. Step 3: Cross multiply
    4,665.60x = 6,438.64 × 2,677.20
  4. Step 4: Simplify right side
    4,665.60x = 17,237,527.01
  5. Step 5: Solve for x
    x = 17,237,527.01/4,665.60
  6. Step 6: Final answer
    x = 3,694.60

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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.