Home / 7,477.26-10,318.46-4,120.04

Finding the Fourth Proportional to 7,477.26, 10,318.46 and 4,120.04

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Solution

The fourth proportional to 7,477.26, 10,318.46 and 4,120.04 is: 5,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.26 : 10,318.46 = 4,120.04 : x
  2. Step 2: Convert to fraction form
    7,477.26/10,318.46 = 4,120.04/x
  3. Step 3: Cross multiply
    7,477.26x = 10,318.46 × 4,120.04
  4. Step 4: Simplify right side
    7,477.26x = 42,512,395.75
  5. Step 5: Solve for x
    x = 42,512,395.75/7,477.26
  6. Step 6: Final answer
    x = 5,685.56

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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.