Home / 5,113.65-7,056.96-2,845.02

Finding the Fourth Proportional to 5,113.65, 7,056.96 and 2,845.02

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Solution

The fourth proportional to 5,113.65, 7,056.96 and 2,845.02 is: 3,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.65 : 7,056.96 = 2,845.02 : x
  2. Step 2: Convert to fraction form
    5,113.65/7,056.96 = 2,845.02/x
  3. Step 3: Cross multiply
    5,113.65x = 7,056.96 × 2,845.02
  4. Step 4: Simplify right side
    5,113.65x = 20,077,192.34
  5. Step 5: Solve for x
    x = 20,077,192.34/5,113.65
  6. Step 6: Final answer
    x = 3,926.20

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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.