Home / 7,428.32-10,250.88-4,284.32

Finding the Fourth Proportional to 7,428.32, 10,250.88 and 4,284.32

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Solution

The fourth proportional to 7,428.32, 10,250.88 and 4,284.32 is: 5,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.32 : 10,250.88 = 4,284.32 : x
  2. Step 2: Convert to fraction form
    7,428.32/10,250.88 = 4,284.32/x
  3. Step 3: Cross multiply
    7,428.32x = 10,250.88 × 4,284.32
  4. Step 4: Simplify right side
    7,428.32x = 43,918,050.20
  5. Step 5: Solve for x
    x = 43,918,050.20/7,428.32
  6. Step 6: Final answer
    x = 5,912.25

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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.