Home / 4,289.76-6,434.64-2,760.48

Finding the Fourth Proportional to 4,289.76, 6,434.64 and 2,760.48

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Solution

The fourth proportional to 4,289.76, 6,434.64 and 2,760.48 is: 4,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.76 : 6,434.64 = 2,760.48 : x
  2. Step 2: Convert to fraction form
    4,289.76/6,434.64 = 2,760.48/x
  3. Step 3: Cross multiply
    4,289.76x = 6,434.64 × 2,760.48
  4. Step 4: Simplify right side
    4,289.76x = 17,762,695.03
  5. Step 5: Solve for x
    x = 17,762,695.03/4,289.76
  6. Step 6: Final answer
    x = 4,140.72

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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.