Home / 5,611.02-7,740.54-3,620.58

Finding the Fourth Proportional to 5,611.02, 7,740.54 and 3,620.58

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Solution

The fourth proportional to 5,611.02, 7,740.54 and 3,620.58 is: 4,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.02 : 7,740.54 = 3,620.58 : x
  2. Step 2: Convert to fraction form
    5,611.02/7,740.54 = 3,620.58/x
  3. Step 3: Cross multiply
    5,611.02x = 7,740.54 × 3,620.58
  4. Step 4: Simplify right side
    5,611.02x = 28,025,244.31
  5. Step 5: Solve for x
    x = 28,025,244.31/5,611.02
  6. Step 6: Final answer
    x = 4,994.68

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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.