Home / 9,130.97-13,697.21-2,890.80

Finding the Fourth Proportional to 9,130.97, 13,697.21 and 2,890.80

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Solution

The fourth proportional to 9,130.97, 13,697.21 and 2,890.80 is: 4,336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.97 : 13,697.21 = 2,890.80 : x
  2. Step 2: Convert to fraction form
    9,130.97/13,697.21 = 2,890.80/x
  3. Step 3: Cross multiply
    9,130.97x = 13,697.21 × 2,890.80
  4. Step 4: Simplify right side
    9,130.97x = 39,595,894.67
  5. Step 5: Solve for x
    x = 39,595,894.67/9,130.97
  6. Step 6: Final answer
    x = 4,336.44

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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.