Home / 6,130.60-9,195.90-3,538.60

Finding the Fourth Proportional to 6,130.60, 9,195.90 and 3,538.60

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Solution

The fourth proportional to 6,130.60, 9,195.90 and 3,538.60 is: 5,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.60 : 9,195.90 = 3,538.60 : x
  2. Step 2: Convert to fraction form
    6,130.60/9,195.90 = 3,538.60/x
  3. Step 3: Cross multiply
    6,130.60x = 9,195.90 × 3,538.60
  4. Step 4: Simplify right side
    6,130.60x = 32,540,611.74
  5. Step 5: Solve for x
    x = 32,540,611.74/6,130.60
  6. Step 6: Final answer
    x = 5,307.90

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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.