Home / 5,577.40-8,366.10-4,907.80

Finding the Fourth Proportional to 5,577.40, 8,366.10 and 4,907.80

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Solution

The fourth proportional to 5,577.40, 8,366.10 and 4,907.80 is: 7,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.40 : 8,366.10 = 4,907.80 : x
  2. Step 2: Convert to fraction form
    5,577.40/8,366.10 = 4,907.80/x
  3. Step 3: Cross multiply
    5,577.40x = 8,366.10 × 4,907.80
  4. Step 4: Simplify right side
    5,577.40x = 41,059,145.58
  5. Step 5: Solve for x
    x = 41,059,145.58/5,577.40
  6. Step 6: Final answer
    x = 7,361.70

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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.