Home / 8,341.02-12,506.67-3,147.30

Finding the Fourth Proportional to 8,341.02, 12,506.67 and 3,147.30

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Solution

The fourth proportional to 8,341.02, 12,506.67 and 3,147.30 is: 4,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.02 : 12,506.67 = 3,147.30 : x
  2. Step 2: Convert to fraction form
    8,341.02/12,506.67 = 3,147.30/x
  3. Step 3: Cross multiply
    8,341.02x = 12,506.67 × 3,147.30
  4. Step 4: Simplify right side
    8,341.02x = 39,362,242.49
  5. Step 5: Solve for x
    x = 39,362,242.49/8,341.02
  6. Step 6: Final answer
    x = 4,719.12

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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.