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Finding the Fourth Proportional to 10,322.77, 15,484.15 and 2,927.29

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Solution

The fourth proportional to 10,322.77, 15,484.15 and 2,927.29 is: 4,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,322.77 : 15,484.15 = 2,927.29 : x
  2. Step 2: Convert to fraction form
    10,322.77/15,484.15 = 2,927.29/x
  3. Step 3: Cross multiply
    10,322.77x = 15,484.15 × 2,927.29
  4. Step 4: Simplify right side
    10,322.77x = 45,326,620.47
  5. Step 5: Solve for x
    x = 45,326,620.47/10,322.77
  6. Step 6: Final answer
    x = 4,390.94

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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.