Home / 8,525.18-11,766.57-5,729.06

Finding the Fourth Proportional to 8,525.18, 11,766.57 and 5,729.06

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Solution

The fourth proportional to 8,525.18, 11,766.57 and 5,729.06 is: 7,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.18 : 11,766.57 = 5,729.06 : x
  2. Step 2: Convert to fraction form
    8,525.18/11,766.57 = 5,729.06/x
  3. Step 3: Cross multiply
    8,525.18x = 11,766.57 × 5,729.06
  4. Step 4: Simplify right side
    8,525.18x = 67,411,393.46
  5. Step 5: Solve for x
    x = 67,411,393.46/8,525.18
  6. Step 6: Final answer
    x = 7,907.33

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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.