Home / 4,775.32-7,160.28-1,487.44

Finding the Fourth Proportional to 4,775.32, 7,160.28 and 1,487.44

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Solution

The fourth proportional to 4,775.32, 7,160.28 and 1,487.44 is: 2,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.32 : 7,160.28 = 1,487.44 : x
  2. Step 2: Convert to fraction form
    4,775.32/7,160.28 = 1,487.44/x
  3. Step 3: Cross multiply
    4,775.32x = 7,160.28 × 1,487.44
  4. Step 4: Simplify right side
    4,775.32x = 10,650,486.88
  5. Step 5: Solve for x
    x = 10,650,486.88/4,775.32
  6. Step 6: Final answer
    x = 2,230.32

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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.