Home / 8,743.53-13,109.15-4,357.91

Finding the Fourth Proportional to 8,743.53, 13,109.15 and 4,357.91

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Solution

The fourth proportional to 8,743.53, 13,109.15 and 4,357.91 is: 6,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.53 : 13,109.15 = 4,357.91 : x
  2. Step 2: Convert to fraction form
    8,743.53/13,109.15 = 4,357.91/x
  3. Step 3: Cross multiply
    8,743.53x = 13,109.15 × 4,357.91
  4. Step 4: Simplify right side
    8,743.53x = 57,128,495.88
  5. Step 5: Solve for x
    x = 57,128,495.88/8,743.53
  6. Step 6: Final answer
    x = 6,533.80

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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.