Home / 5,688.66-7,851.36-3,298.29

Finding the Fourth Proportional to 5,688.66, 7,851.36 and 3,298.29

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Solution

The fourth proportional to 5,688.66, 7,851.36 and 3,298.29 is: 4,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.66 : 7,851.36 = 3,298.29 : x
  2. Step 2: Convert to fraction form
    5,688.66/7,851.36 = 3,298.29/x
  3. Step 3: Cross multiply
    5,688.66x = 7,851.36 × 3,298.29
  4. Step 4: Simplify right side
    5,688.66x = 25,896,045.10
  5. Step 5: Solve for x
    x = 25,896,045.10/5,688.66
  6. Step 6: Final answer
    x = 4,552.22

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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.