Home / 8,230.17-12,347.28-2,386.83

Finding the Fourth Proportional to 8,230.17, 12,347.28 and 2,386.83

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Solution

The fourth proportional to 8,230.17, 12,347.28 and 2,386.83 is: 3,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.17 : 12,347.28 = 2,386.83 : x
  2. Step 2: Convert to fraction form
    8,230.17/12,347.28 = 2,386.83/x
  3. Step 3: Cross multiply
    8,230.17x = 12,347.28 × 2,386.83
  4. Step 4: Simplify right side
    8,230.17x = 29,470,858.32
  5. Step 5: Solve for x
    x = 29,470,858.32/8,230.17
  6. Step 6: Final answer
    x = 3,580.83

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1.5x scale

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.