Home / 6,932.90-9,579.87-4,939.94

Finding the Fourth Proportional to 6,932.90, 9,579.87 and 4,939.94

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Solution

The fourth proportional to 6,932.90, 9,579.87 and 4,939.94 is: 6,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.90 : 9,579.87 = 4,939.94 : x
  2. Step 2: Convert to fraction form
    6,932.90/9,579.87 = 4,939.94/x
  3. Step 3: Cross multiply
    6,932.90x = 9,579.87 × 4,939.94
  4. Step 4: Simplify right side
    6,932.90x = 47,323,983.01
  5. Step 5: Solve for x
    x = 47,323,983.01/6,932.90
  6. Step 6: Final answer
    x = 6,826.00

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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.