Home / 7,156.04-10,731.63-2,772.32

Finding the Fourth Proportional to 7,156.04, 10,731.63 and 2,772.32

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Solution

The fourth proportional to 7,156.04, 10,731.63 and 2,772.32 is: 4,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.04 : 10,731.63 = 2,772.32 : x
  2. Step 2: Convert to fraction form
    7,156.04/10,731.63 = 2,772.32/x
  3. Step 3: Cross multiply
    7,156.04x = 10,731.63 × 2,772.32
  4. Step 4: Simplify right side
    7,156.04x = 29,751,512.48
  5. Step 5: Solve for x
    x = 29,751,512.48/7,156.04
  6. Step 6: Final answer
    x = 4,157.54

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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.