Home / 8,259.42-11,395.21-4,720.12

Finding the Fourth Proportional to 8,259.42, 11,395.21 and 4,720.12

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Solution

The fourth proportional to 8,259.42, 11,395.21 and 4,720.12 is: 6,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.42 : 11,395.21 = 4,720.12 : x
  2. Step 2: Convert to fraction form
    8,259.42/11,395.21 = 4,720.12/x
  3. Step 3: Cross multiply
    8,259.42x = 11,395.21 × 4,720.12
  4. Step 4: Simplify right side
    8,259.42x = 53,786,758.63
  5. Step 5: Solve for x
    x = 53,786,758.63/8,259.42
  6. Step 6: Final answer
    x = 6,512.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.