Home / 4,847.02-6,688.71-2,961.76

Finding the Fourth Proportional to 4,847.02, 6,688.71 and 2,961.76

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Solution

The fourth proportional to 4,847.02, 6,688.71 and 2,961.76 is: 4,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.02 : 6,688.71 = 2,961.76 : x
  2. Step 2: Convert to fraction form
    4,847.02/6,688.71 = 2,961.76/x
  3. Step 3: Cross multiply
    4,847.02x = 6,688.71 × 2,961.76
  4. Step 4: Simplify right side
    4,847.02x = 19,810,339.78
  5. Step 5: Solve for x
    x = 19,810,339.78/4,847.02
  6. Step 6: Final answer
    x = 4,087.12

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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.