Home / 4,715.34-7,073.04-2,985.18

Finding the Fourth Proportional to 4,715.34, 7,073.04 and 2,985.18

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Solution

The fourth proportional to 4,715.34, 7,073.04 and 2,985.18 is: 4,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.34 : 7,073.04 = 2,985.18 : x
  2. Step 2: Convert to fraction form
    4,715.34/7,073.04 = 2,985.18/x
  3. Step 3: Cross multiply
    4,715.34x = 7,073.04 × 2,985.18
  4. Step 4: Simplify right side
    4,715.34x = 21,114,297.55
  5. Step 5: Solve for x
    x = 21,114,297.55/4,715.34
  6. Step 6: Final answer
    x = 4,477.79

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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.