Home / 6,607.55-9,113.64-5,611.25

Finding the Fourth Proportional to 6,607.55, 9,113.64 and 5,611.25

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Solution

The fourth proportional to 6,607.55, 9,113.64 and 5,611.25 is: 7,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.55 : 9,113.64 = 5,611.25 : x
  2. Step 2: Convert to fraction form
    6,607.55/9,113.64 = 5,611.25/x
  3. Step 3: Cross multiply
    6,607.55x = 9,113.64 × 5,611.25
  4. Step 4: Simplify right side
    6,607.55x = 51,138,912.45
  5. Step 5: Solve for x
    x = 51,138,912.45/6,607.55
  6. Step 6: Final answer
    x = 7,739.47

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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.