Home / 4,687.89-6,468.20-2,800.08

Finding the Fourth Proportional to 4,687.89, 6,468.20 and 2,800.08

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Solution

The fourth proportional to 4,687.89, 6,468.20 and 2,800.08 is: 3,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.89 : 6,468.20 = 2,800.08 : x
  2. Step 2: Convert to fraction form
    4,687.89/6,468.20 = 2,800.08/x
  3. Step 3: Cross multiply
    4,687.89x = 6,468.20 × 2,800.08
  4. Step 4: Simplify right side
    4,687.89x = 18,111,477.46
  5. Step 5: Solve for x
    x = 18,111,477.46/4,687.89
  6. Step 6: Final answer
    x = 3,863.46

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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.