Home / 7,705.08-11,557.64-2,158.47

Finding the Fourth Proportional to 7,705.08, 11,557.64 and 2,158.47

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Solution

The fourth proportional to 7,705.08, 11,557.64 and 2,158.47 is: 3,237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.08 : 11,557.64 = 2,158.47 : x
  2. Step 2: Convert to fraction form
    7,705.08/11,557.64 = 2,158.47/x
  3. Step 3: Cross multiply
    7,705.08x = 11,557.64 × 2,158.47
  4. Step 4: Simplify right side
    7,705.08x = 24,946,819.21
  5. Step 5: Solve for x
    x = 24,946,819.21/7,705.08
  6. Step 6: Final answer
    x = 3,237.71

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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.