Home / 4,991.65-6,888.53-2,753.61

Finding the Fourth Proportional to 4,991.65, 6,888.53 and 2,753.61

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Solution

The fourth proportional to 4,991.65, 6,888.53 and 2,753.61 is: 3,800.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.65 : 6,888.53 = 2,753.61 : x
  2. Step 2: Convert to fraction form
    4,991.65/6,888.53 = 2,753.61/x
  3. Step 3: Cross multiply
    4,991.65x = 6,888.53 × 2,753.61
  4. Step 4: Simplify right side
    4,991.65x = 18,968,285.49
  5. Step 5: Solve for x
    x = 18,968,285.49/4,991.65
  6. Step 6: Final answer
    x = 3,800.00

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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.