Home / 8,546.07-12,820.47-3,615.75

Finding the Fourth Proportional to 8,546.07, 12,820.47 and 3,615.75

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Solution

The fourth proportional to 8,546.07, 12,820.47 and 3,615.75 is: 5,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.07 : 12,820.47 = 3,615.75 : x
  2. Step 2: Convert to fraction form
    8,546.07/12,820.47 = 3,615.75/x
  3. Step 3: Cross multiply
    8,546.07x = 12,820.47 × 3,615.75
  4. Step 4: Simplify right side
    8,546.07x = 46,355,600.84
  5. Step 5: Solve for x
    x = 46,355,600.84/8,546.07
  6. Step 6: Final answer
    x = 5,424.20

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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.