Home / 5,114.28-7,671.60-1,416.21

Finding the Fourth Proportional to 5,114.28, 7,671.60 and 1,416.21

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Solution

The fourth proportional to 5,114.28, 7,671.60 and 1,416.21 is: 2,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.28 : 7,671.60 = 1,416.21 : x
  2. Step 2: Convert to fraction form
    5,114.28/7,671.60 = 1,416.21/x
  3. Step 3: Cross multiply
    5,114.28x = 7,671.60 × 1,416.21
  4. Step 4: Simplify right side
    5,114.28x = 10,864,596.64
  5. Step 5: Solve for x
    x = 10,864,596.64/5,114.28
  6. Step 6: Final answer
    x = 2,124.36

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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.