Home / 4,557.32-6,836.90-1,438.12

Finding the Fourth Proportional to 4,557.32, 6,836.90 and 1,438.12

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Solution

The fourth proportional to 4,557.32, 6,836.90 and 1,438.12 is: 2,157.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,557.32 : 6,836.90 = 1,438.12 : x
  2. Step 2: Convert to fraction form
    4,557.32/6,836.90 = 1,438.12/x
  3. Step 3: Cross multiply
    4,557.32x = 6,836.90 × 1,438.12
  4. Step 4: Simplify right side
    4,557.32x = 9,832,282.63
  5. Step 5: Solve for x
    x = 9,832,282.63/4,557.32
  6. Step 6: Final answer
    x = 2,157.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.