Home / 8,305.04-12,459.83-4,140.02

Finding the Fourth Proportional to 8,305.04, 12,459.83 and 4,140.02

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Solution

The fourth proportional to 8,305.04, 12,459.83 and 4,140.02 is: 6,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.04 : 12,459.83 = 4,140.02 : x
  2. Step 2: Convert to fraction form
    8,305.04/12,459.83 = 4,140.02/x
  3. Step 3: Cross multiply
    8,305.04x = 12,459.83 × 4,140.02
  4. Step 4: Simplify right side
    8,305.04x = 51,583,945.40
  5. Step 5: Solve for x
    x = 51,583,945.40/8,305.04
  6. Step 6: Final answer
    x = 6,211.16

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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.