Home / 8,313.02-12,464.67-3,119.30

Finding the Fourth Proportional to 8,313.02, 12,464.67 and 3,119.30

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Solution

The fourth proportional to 8,313.02, 12,464.67 and 3,119.30 is: 4,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.02 : 12,464.67 = 3,119.30 : x
  2. Step 2: Convert to fraction form
    8,313.02/12,464.67 = 3,119.30/x
  3. Step 3: Cross multiply
    8,313.02x = 12,464.67 × 3,119.30
  4. Step 4: Simplify right side
    8,313.02x = 38,881,045.13
  5. Step 5: Solve for x
    x = 38,881,045.13/8,313.02
  6. Step 6: Final answer
    x = 4,677.13

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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.