Home / 9,130.32-13,697.88-2,890.44

Finding the Fourth Proportional to 9,130.32, 13,697.88 and 2,890.44

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Solution

The fourth proportional to 9,130.32, 13,697.88 and 2,890.44 is: 4,336.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.32 : 13,697.88 = 2,890.44 : x
  2. Step 2: Convert to fraction form
    9,130.32/13,697.88 = 2,890.44/x
  3. Step 3: Cross multiply
    9,130.32x = 13,697.88 × 2,890.44
  4. Step 4: Simplify right side
    9,130.32x = 39,592,900.27
  5. Step 5: Solve for x
    x = 39,592,900.27/9,130.32
  6. Step 6: Final answer
    x = 4,336.42

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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.