Home / 6,491.34-9,742.28-2,985.26

Finding the Fourth Proportional to 6,491.34, 9,742.28 and 2,985.26

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Solution

The fourth proportional to 6,491.34, 9,742.28 and 2,985.26 is: 4,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.34 : 9,742.28 = 2,985.26 : x
  2. Step 2: Convert to fraction form
    6,491.34/9,742.28 = 2,985.26/x
  3. Step 3: Cross multiply
    6,491.34x = 9,742.28 × 2,985.26
  4. Step 4: Simplify right side
    6,491.34x = 29,083,175.16
  5. Step 5: Solve for x
    x = 29,083,175.16/6,491.34
  6. Step 6: Final answer
    x = 4,480.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.