Home / 10,300.87-15,451.84-2,905.93

Finding the Fourth Proportional to 10,300.87, 15,451.84 and 2,905.93

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Solution

The fourth proportional to 10,300.87, 15,451.84 and 2,905.93 is: 4,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.87 : 15,451.84 = 2,905.93 : x
  2. Step 2: Convert to fraction form
    10,300.87/15,451.84 = 2,905.93/x
  3. Step 3: Cross multiply
    10,300.87x = 15,451.84 × 2,905.93
  4. Step 4: Simplify right side
    10,300.87x = 44,901,965.41
  5. Step 5: Solve for x
    x = 44,901,965.41/10,300.87
  6. Step 6: Final answer
    x = 4,359.05

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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.