Home / 8,290.51-12,433.64-2,445.75

Finding the Fourth Proportional to 8,290.51, 12,433.64 and 2,445.75

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Solution

The fourth proportional to 8,290.51, 12,433.64 and 2,445.75 is: 3,668.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.51 : 12,433.64 = 2,445.75 : x
  2. Step 2: Convert to fraction form
    8,290.51/12,433.64 = 2,445.75/x
  3. Step 3: Cross multiply
    8,290.51x = 12,433.64 × 2,445.75
  4. Step 4: Simplify right side
    8,290.51x = 30,409,562.80
  5. Step 5: Solve for x
    x = 30,409,562.80/8,290.51
  6. Step 6: Final answer
    x = 3,668.00

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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.