Home / 5,445.16-7,511.55-3,557.85

Finding the Fourth Proportional to 5,445.16, 7,511.55 and 3,557.85

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Solution

The fourth proportional to 5,445.16, 7,511.55 and 3,557.85 is: 4,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.16 : 7,511.55 = 3,557.85 : x
  2. Step 2: Convert to fraction form
    5,445.16/7,511.55 = 3,557.85/x
  3. Step 3: Cross multiply
    5,445.16x = 7,511.55 × 3,557.85
  4. Step 4: Simplify right side
    5,445.16x = 26,724,977.80
  5. Step 5: Solve for x
    x = 26,724,977.80/5,445.16
  6. Step 6: Final answer
    x = 4,908.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.