Home / 8,246.40-12,364.48-3,316.80

Finding the Fourth Proportional to 8,246.40, 12,364.48 and 3,316.80

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Solution

The fourth proportional to 8,246.40, 12,364.48 and 3,316.80 is: 4,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.40 : 12,364.48 = 3,316.80 : x
  2. Step 2: Convert to fraction form
    8,246.40/12,364.48 = 3,316.80/x
  3. Step 3: Cross multiply
    8,246.40x = 12,364.48 × 3,316.80
  4. Step 4: Simplify right side
    8,246.40x = 41,010,507.26
  5. Step 5: Solve for x
    x = 41,010,507.26/8,246.40
  6. Step 6: Final answer
    x = 4,973.14

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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.