Home / 5,577.67-8,366.55-1,880.20

Finding the Fourth Proportional to 5,577.67, 8,366.55 and 1,880.20

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Solution

The fourth proportional to 5,577.67, 8,366.55 and 1,880.20 is: 2,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.67 : 8,366.55 = 1,880.20 : x
  2. Step 2: Convert to fraction form
    5,577.67/8,366.55 = 1,880.20/x
  3. Step 3: Cross multiply
    5,577.67x = 8,366.55 × 1,880.20
  4. Step 4: Simplify right side
    5,577.67x = 15,730,787.31
  5. Step 5: Solve for x
    x = 15,730,787.31/5,577.67
  6. Step 6: Final answer
    x = 2,820.32

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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.