Home / 8,280.60-12,421.04-2,357.63

Finding the Fourth Proportional to 8,280.60, 12,421.04 and 2,357.63

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Solution

The fourth proportional to 8,280.60, 12,421.04 and 2,357.63 is: 3,536.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.60 : 12,421.04 = 2,357.63 : x
  2. Step 2: Convert to fraction form
    8,280.60/12,421.04 = 2,357.63/x
  3. Step 3: Cross multiply
    8,280.60x = 12,421.04 × 2,357.63
  4. Step 4: Simplify right side
    8,280.60x = 29,284,216.54
  5. Step 5: Solve for x
    x = 29,284,216.54/8,280.60
  6. Step 6: Final answer
    x = 3,536.48

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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.