Home / 7,518.45-10,376.23-4,331.87

Finding the Fourth Proportional to 7,518.45, 10,376.23 and 4,331.87

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Solution

The fourth proportional to 7,518.45, 10,376.23 and 4,331.87 is: 5,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.45 : 10,376.23 = 4,331.87 : x
  2. Step 2: Convert to fraction form
    7,518.45/10,376.23 = 4,331.87/x
  3. Step 3: Cross multiply
    7,518.45x = 10,376.23 × 4,331.87
  4. Step 4: Simplify right side
    7,518.45x = 44,948,479.45
  5. Step 5: Solve for x
    x = 44,948,479.45/7,518.45
  6. Step 6: Final answer
    x = 5,978.42

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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.