Home / 7,427.81-10,250.58-4,284.20

Finding the Fourth Proportional to 7,427.81, 10,250.58 and 4,284.20

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Solution

The fourth proportional to 7,427.81, 10,250.58 and 4,284.20 is: 5,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.81 : 10,250.58 = 4,284.20 : x
  2. Step 2: Convert to fraction form
    7,427.81/10,250.58 = 4,284.20/x
  3. Step 3: Cross multiply
    7,427.81x = 10,250.58 × 4,284.20
  4. Step 4: Simplify right side
    7,427.81x = 43,915,576.53
  5. Step 5: Solve for x
    x = 43,915,576.53/7,427.81
  6. Step 6: Final answer
    x = 5,912.32

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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.