Home / 7,719.09-10,652.07-4,361.91

Finding the Fourth Proportional to 7,719.09, 10,652.07 and 4,361.91

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Solution

The fourth proportional to 7,719.09, 10,652.07 and 4,361.91 is: 6,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.09 : 10,652.07 = 4,361.91 : x
  2. Step 2: Convert to fraction form
    7,719.09/10,652.07 = 4,361.91/x
  3. Step 3: Cross multiply
    7,719.09x = 10,652.07 × 4,361.91
  4. Step 4: Simplify right side
    7,719.09x = 46,463,370.65
  5. Step 5: Solve for x
    x = 46,463,370.65/7,719.09
  6. Step 6: Final answer
    x = 6,019.28

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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.