Home / 7,185.58-10,765.40-3,018.13

Finding the Fourth Proportional to 7,185.58, 10,765.40 and 3,018.13

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Solution

The fourth proportional to 7,185.58, 10,765.40 and 3,018.13 is: 4,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.58 : 10,765.40 = 3,018.13 : x
  2. Step 2: Convert to fraction form
    7,185.58/10,765.40 = 3,018.13/x
  3. Step 3: Cross multiply
    7,185.58x = 10,765.40 × 3,018.13
  4. Step 4: Simplify right side
    7,185.58x = 32,491,334.70
  5. Step 5: Solve for x
    x = 32,491,334.70/7,185.58
  6. Step 6: Final answer
    x = 4,521.74

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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.