Home / 4,689.02-6,468.83-2,800.00

Finding the Fourth Proportional to 4,689.02, 6,468.83 and 2,800.00

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Solution

The fourth proportional to 4,689.02, 6,468.83 and 2,800.00 is: 3,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.02 : 6,468.83 = 2,800.00 : x
  2. Step 2: Convert to fraction form
    4,689.02/6,468.83 = 2,800.00/x
  3. Step 3: Cross multiply
    4,689.02x = 6,468.83 × 2,800.00
  4. Step 4: Simplify right side
    4,689.02x = 18,112,728.59
  5. Step 5: Solve for x
    x = 18,112,728.59/4,689.02
  6. Step 6: Final answer
    x = 3,862.79

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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.