Home / 7,511.18-11,243.14-5,157.41

Finding the Fourth Proportional to 7,511.18, 11,243.14 and 5,157.41

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Solution

The fourth proportional to 7,511.18, 11,243.14 and 5,157.41 is: 7,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.18 : 11,243.14 = 5,157.41 : x
  2. Step 2: Convert to fraction form
    7,511.18/11,243.14 = 5,157.41/x
  3. Step 3: Cross multiply
    7,511.18x = 11,243.14 × 5,157.41
  4. Step 4: Simplify right side
    7,511.18x = 57,985,426.45
  5. Step 5: Solve for x
    x = 57,985,426.45/7,511.18
  6. Step 6: Final answer
    x = 7,719.89

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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.