Home / 8,777.07-13,170.67-4,394.57

Finding the Fourth Proportional to 8,777.07, 13,170.67 and 4,394.57

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Solution

The fourth proportional to 8,777.07, 13,170.67 and 4,394.57 is: 6,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.07 : 13,170.67 = 4,394.57 : x
  2. Step 2: Convert to fraction form
    8,777.07/13,170.67 = 4,394.57/x
  3. Step 3: Cross multiply
    8,777.07x = 13,170.67 × 4,394.57
  4. Step 4: Simplify right side
    8,777.07x = 57,879,354.42
  5. Step 5: Solve for x
    x = 57,879,354.42/8,777.07
  6. Step 6: Final answer
    x = 6,594.38

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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.