Home / 8,762.20-12,087.48-5,222.92

Finding the Fourth Proportional to 8,762.20, 12,087.48 and 5,222.92

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Solution

The fourth proportional to 8,762.20, 12,087.48 and 5,222.92 is: 7,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.20 : 12,087.48 = 5,222.92 : x
  2. Step 2: Convert to fraction form
    8,762.20/12,087.48 = 5,222.92/x
  3. Step 3: Cross multiply
    8,762.20x = 12,087.48 × 5,222.92
  4. Step 4: Simplify right side
    8,762.20x = 63,131,941.04
  5. Step 5: Solve for x
    x = 63,131,941.04/8,762.20
  6. Step 6: Final answer
    x = 7,205.03

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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.