Home / 4,999.21-6,898.96-2,875.79

Finding the Fourth Proportional to 4,999.21, 6,898.96 and 2,875.79

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Solution

The fourth proportional to 4,999.21, 6,898.96 and 2,875.79 is: 3,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.21 : 6,898.96 = 2,875.79 : x
  2. Step 2: Convert to fraction form
    4,999.21/6,898.96 = 2,875.79/x
  3. Step 3: Cross multiply
    4,999.21x = 6,898.96 × 2,875.79
  4. Step 4: Simplify right side
    4,999.21x = 19,839,981.02
  5. Step 5: Solve for x
    x = 19,839,981.02/4,999.21
  6. Step 6: Final answer
    x = 3,968.63

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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.