Home / 8,700.69-13,050.39-2,777.34

Finding the Fourth Proportional to 8,700.69, 13,050.39 and 2,777.34

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Solution

The fourth proportional to 8,700.69, 13,050.39 and 2,777.34 is: 4,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.69 : 13,050.39 = 2,777.34 : x
  2. Step 2: Convert to fraction form
    8,700.69/13,050.39 = 2,777.34/x
  3. Step 3: Cross multiply
    8,700.69x = 13,050.39 × 2,777.34
  4. Step 4: Simplify right side
    8,700.69x = 36,245,348.30
  5. Step 5: Solve for x
    x = 36,245,348.30/8,700.69
  6. Step 6: Final answer
    x = 4,165.80

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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.