Home / 5,548.64-7,656.93-3,190.32

Finding the Fourth Proportional to 5,548.64, 7,656.93 and 3,190.32

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Solution

The fourth proportional to 5,548.64, 7,656.93 and 3,190.32 is: 4,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.64 : 7,656.93 = 3,190.32 : x
  2. Step 2: Convert to fraction form
    5,548.64/7,656.93 = 3,190.32/x
  3. Step 3: Cross multiply
    5,548.64x = 7,656.93 × 3,190.32
  4. Step 4: Simplify right side
    5,548.64x = 24,428,056.92
  5. Step 5: Solve for x
    x = 24,428,056.92/5,548.64
  6. Step 6: Final answer
    x = 4,402.53

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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.