Home / 7,719.12-10,651.23-4,361.74

Finding the Fourth Proportional to 7,719.12, 10,651.23 and 4,361.74

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Solution

The fourth proportional to 7,719.12, 10,651.23 and 4,361.74 is: 6,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.12 : 10,651.23 = 4,361.74 : x
  2. Step 2: Convert to fraction form
    7,719.12/10,651.23 = 4,361.74/x
  3. Step 3: Cross multiply
    7,719.12x = 10,651.23 × 4,361.74
  4. Step 4: Simplify right side
    7,719.12x = 46,457,869.31
  5. Step 5: Solve for x
    x = 46,457,869.31/7,719.12
  6. Step 6: Final answer
    x = 6,018.54

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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.