Home / 10,300.49-15,451.35-2,905.58

Finding the Fourth Proportional to 10,300.49, 15,451.35 and 2,905.58

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Solution

The fourth proportional to 10,300.49, 15,451.35 and 2,905.58 is: 4,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.49 : 15,451.35 = 2,905.58 : x
  2. Step 2: Convert to fraction form
    10,300.49/15,451.35 = 2,905.58/x
  3. Step 3: Cross multiply
    10,300.49x = 15,451.35 × 2,905.58
  4. Step 4: Simplify right side
    10,300.49x = 44,895,133.53
  5. Step 5: Solve for x
    x = 44,895,133.53/10,300.49
  6. Step 6: Final answer
    x = 4,358.54

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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.