Home / 7,315.72-10,097.06-4,331.68

Finding the Fourth Proportional to 7,315.72, 10,097.06 and 4,331.68

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Solution

The fourth proportional to 7,315.72, 10,097.06 and 4,331.68 is: 5,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.72 : 10,097.06 = 4,331.68 : x
  2. Step 2: Convert to fraction form
    7,315.72/10,097.06 = 4,331.68/x
  3. Step 3: Cross multiply
    7,315.72x = 10,097.06 × 4,331.68
  4. Step 4: Simplify right side
    7,315.72x = 43,737,185.96
  5. Step 5: Solve for x
    x = 43,737,185.96/7,315.72
  6. Step 6: Final answer
    x = 5,978.52

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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.