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Finding the Fourth Proportional to 6,365.55, 9,548.80 and 1,685.53

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Solution

The fourth proportional to 6,365.55, 9,548.80 and 1,685.53 is: 2,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.55 : 9,548.80 = 1,685.53 : x
  2. Step 2: Convert to fraction form
    6,365.55/9,548.80 = 1,685.53/x
  3. Step 3: Cross multiply
    6,365.55x = 9,548.80 × 1,685.53
  4. Step 4: Simplify right side
    6,365.55x = 16,094,796.59
  5. Step 5: Solve for x
    x = 16,094,796.59/6,365.55
  6. Step 6: Final answer
    x = 2,528.42

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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.