Home / 8,999.19-13,495.53-3,805.47

Finding the Fourth Proportional to 8,999.19, 13,495.53 and 3,805.47

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Solution

The fourth proportional to 8,999.19, 13,495.53 and 3,805.47 is: 5,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.19 : 13,495.53 = 3,805.47 : x
  2. Step 2: Convert to fraction form
    8,999.19/13,495.53 = 3,805.47/x
  3. Step 3: Cross multiply
    8,999.19x = 13,495.53 × 3,805.47
  4. Step 4: Simplify right side
    8,999.19x = 51,356,834.55
  5. Step 5: Solve for x
    x = 51,356,834.55/8,999.19
  6. Step 6: Final answer
    x = 5,706.83

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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.