Home / 8,621.53-11,897.37-5,269.95

Finding the Fourth Proportional to 8,621.53, 11,897.37 and 5,269.95

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Solution

The fourth proportional to 8,621.53, 11,897.37 and 5,269.95 is: 7,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.53 : 11,897.37 = 5,269.95 : x
  2. Step 2: Convert to fraction form
    8,621.53/11,897.37 = 5,269.95/x
  3. Step 3: Cross multiply
    8,621.53x = 11,897.37 × 5,269.95
  4. Step 4: Simplify right side
    8,621.53x = 62,698,545.03
  5. Step 5: Solve for x
    x = 62,698,545.03/8,621.53
  6. Step 6: Final answer
    x = 7,272.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.