Home / 8,250.45-11,382.63-5,419.35

Finding the Fourth Proportional to 8,250.45, 11,382.63 and 5,419.35

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Solution

The fourth proportional to 8,250.45, 11,382.63 and 5,419.35 is: 7,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.45 : 11,382.63 = 5,419.35 : x
  2. Step 2: Convert to fraction form
    8,250.45/11,382.63 = 5,419.35/x
  3. Step 3: Cross multiply
    8,250.45x = 11,382.63 × 5,419.35
  4. Step 4: Simplify right side
    8,250.45x = 61,686,455.89
  5. Step 5: Solve for x
    x = 61,686,455.89/8,250.45
  6. Step 6: Final answer
    x = 7,476.74

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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.