Home / 7,511.21-10,365.71-4,154.13

Finding the Fourth Proportional to 7,511.21, 10,365.71 and 4,154.13

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Solution

The fourth proportional to 7,511.21, 10,365.71 and 4,154.13 is: 5,732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.21 : 10,365.71 = 4,154.13 : x
  2. Step 2: Convert to fraction form
    7,511.21/10,365.71 = 4,154.13/x
  3. Step 3: Cross multiply
    7,511.21x = 10,365.71 × 4,154.13
  4. Step 4: Simplify right side
    7,511.21x = 43,060,506.88
  5. Step 5: Solve for x
    x = 43,060,506.88/7,511.21
  6. Step 6: Final answer
    x = 5,732.83

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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.