Home / 8,342.60-12,513.86-3,596.80

Finding the Fourth Proportional to 8,342.60, 12,513.86 and 3,596.80

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Solution

The fourth proportional to 8,342.60, 12,513.86 and 3,596.80 is: 5,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.60 : 12,513.86 = 3,596.80 : x
  2. Step 2: Convert to fraction form
    8,342.60/12,513.86 = 3,596.80/x
  3. Step 3: Cross multiply
    8,342.60x = 12,513.86 × 3,596.80
  4. Step 4: Simplify right side
    8,342.60x = 45,009,851.65
  5. Step 5: Solve for x
    x = 45,009,851.65/8,342.60
  6. Step 6: Final answer
    x = 5,395.18

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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.