Home / 4,913.60-6,811.76-4,650.56

Finding the Fourth Proportional to 4,913.60, 6,811.76 and 4,650.56

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Solution

The fourth proportional to 4,913.60, 6,811.76 and 4,650.56 is: 6,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.60 : 6,811.76 = 4,650.56 : x
  2. Step 2: Convert to fraction form
    4,913.60/6,811.76 = 4,650.56/x
  3. Step 3: Cross multiply
    4,913.60x = 6,811.76 × 4,650.56
  4. Step 4: Simplify right side
    4,913.60x = 31,678,498.59
  5. Step 5: Solve for x
    x = 31,678,498.59/4,913.60
  6. Step 6: Final answer
    x = 6,447.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.