Home / 8,303.81-12,455.69-2,459.93

Finding the Fourth Proportional to 8,303.81, 12,455.69 and 2,459.93

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Solution

The fourth proportional to 8,303.81, 12,455.69 and 2,459.93 is: 3,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.81 : 12,455.69 = 2,459.93 : x
  2. Step 2: Convert to fraction form
    8,303.81/12,455.69 = 2,459.93/x
  3. Step 3: Cross multiply
    8,303.81x = 12,455.69 × 2,459.93
  4. Step 4: Simplify right side
    8,303.81x = 30,640,050.92
  5. Step 5: Solve for x
    x = 30,640,050.92/8,303.81
  6. Step 6: Final answer
    x = 3,689.88

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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.