Home / 7,480.58-10,318.47-5,351.90

Finding the Fourth Proportional to 7,480.58, 10,318.47 and 5,351.90

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Solution

The fourth proportional to 7,480.58, 10,318.47 and 5,351.90 is: 7,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.58 : 10,318.47 = 5,351.90 : x
  2. Step 2: Convert to fraction form
    7,480.58/10,318.47 = 5,351.90/x
  3. Step 3: Cross multiply
    7,480.58x = 10,318.47 × 5,351.90
  4. Step 4: Simplify right side
    7,480.58x = 55,223,419.59
  5. Step 5: Solve for x
    x = 55,223,419.59/7,480.58
  6. Step 6: Final answer
    x = 7,382.24

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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.