Home / 4,991.08-6,887.58-2,752.90

Finding the Fourth Proportional to 4,991.08, 6,887.58 and 2,752.90

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Solution

The fourth proportional to 4,991.08, 6,887.58 and 2,752.90 is: 3,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.08 : 6,887.58 = 2,752.90 : x
  2. Step 2: Convert to fraction form
    4,991.08/6,887.58 = 2,752.90/x
  3. Step 3: Cross multiply
    4,991.08x = 6,887.58 × 2,752.90
  4. Step 4: Simplify right side
    4,991.08x = 18,960,818.98
  5. Step 5: Solve for x
    x = 18,960,818.98/4,991.08
  6. Step 6: Final answer
    x = 3,798.94

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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.