Home / 7,518.06-10,375.69-4,331.46

Finding the Fourth Proportional to 7,518.06, 10,375.69 and 4,331.46

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Solution

The fourth proportional to 7,518.06, 10,375.69 and 4,331.46 is: 5,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.06 : 10,375.69 = 4,331.46 : x
  2. Step 2: Convert to fraction form
    7,518.06/10,375.69 = 4,331.46/x
  3. Step 3: Cross multiply
    7,518.06x = 10,375.69 × 4,331.46
  4. Step 4: Simplify right side
    7,518.06x = 44,941,886.21
  5. Step 5: Solve for x
    x = 44,941,886.21/7,518.06
  6. Step 6: Final answer
    x = 5,977.86

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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.