Home / 5,551.04-8,330.88-2,777.60

Finding the Fourth Proportional to 5,551.04, 8,330.88 and 2,777.60

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Solution

The fourth proportional to 5,551.04, 8,330.88 and 2,777.60 is: 4,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.04 : 8,330.88 = 2,777.60 : x
  2. Step 2: Convert to fraction form
    5,551.04/8,330.88 = 2,777.60/x
  3. Step 3: Cross multiply
    5,551.04x = 8,330.88 × 2,777.60
  4. Step 4: Simplify right side
    5,551.04x = 23,139,852.29
  5. Step 5: Solve for x
    x = 23,139,852.29/5,551.04
  6. Step 6: Final answer
    x = 4,168.56

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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.