Home / 8,740.63-13,103.07-3,190.08

Finding the Fourth Proportional to 8,740.63, 13,103.07 and 3,190.08

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Solution

The fourth proportional to 8,740.63, 13,103.07 and 3,190.08 is: 4,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.63 : 13,103.07 = 3,190.08 : x
  2. Step 2: Convert to fraction form
    8,740.63/13,103.07 = 3,190.08/x
  3. Step 3: Cross multiply
    8,740.63x = 13,103.07 × 3,190.08
  4. Step 4: Simplify right side
    8,740.63x = 41,799,868.78
  5. Step 5: Solve for x
    x = 41,799,868.78/8,740.63
  6. Step 6: Final answer
    x = 4,782.25

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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.