Home / 8,246.30-12,368.07-2,980.28

Finding the Fourth Proportional to 8,246.30, 12,368.07 and 2,980.28

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Solution

The fourth proportional to 8,246.30, 12,368.07 and 2,980.28 is: 4,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.30 : 12,368.07 = 2,980.28 : x
  2. Step 2: Convert to fraction form
    8,246.30/12,368.07 = 2,980.28/x
  3. Step 3: Cross multiply
    8,246.30x = 12,368.07 × 2,980.28
  4. Step 4: Simplify right side
    8,246.30x = 36,860,342.58
  5. Step 5: Solve for x
    x = 36,860,342.58/8,246.30
  6. Step 6: Final answer
    x = 4,469.93

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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.