Home / 7,983.63-11,017.85-4,797.90

Finding the Fourth Proportional to 7,983.63, 11,017.85 and 4,797.90

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Solution

The fourth proportional to 7,983.63, 11,017.85 and 4,797.90 is: 6,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.63 : 11,017.85 = 4,797.90 : x
  2. Step 2: Convert to fraction form
    7,983.63/11,017.85 = 4,797.90/x
  3. Step 3: Cross multiply
    7,983.63x = 11,017.85 × 4,797.90
  4. Step 4: Simplify right side
    7,983.63x = 52,862,542.52
  5. Step 5: Solve for x
    x = 52,862,542.52/7,983.63
  6. Step 6: Final answer
    x = 6,621.37

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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.