Home / 7,897.06-11,845.65-5,424.39

Finding the Fourth Proportional to 7,897.06, 11,845.65 and 5,424.39

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Solution

The fourth proportional to 7,897.06, 11,845.65 and 5,424.39 is: 8,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.06 : 11,845.65 = 5,424.39 : x
  2. Step 2: Convert to fraction form
    7,897.06/11,845.65 = 5,424.39/x
  3. Step 3: Cross multiply
    7,897.06x = 11,845.65 × 5,424.39
  4. Step 4: Simplify right side
    7,897.06x = 64,255,395.79
  5. Step 5: Solve for x
    x = 64,255,395.79/7,897.06
  6. Step 6: Final answer
    x = 8,136.62

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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.