Home / 6,635.60-9,157.55-3,946.08

Finding the Fourth Proportional to 6,635.60, 9,157.55 and 3,946.08

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Solution

The fourth proportional to 6,635.60, 9,157.55 and 3,946.08 is: 5,445.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.60 : 9,157.55 = 3,946.08 : x
  2. Step 2: Convert to fraction form
    6,635.60/9,157.55 = 3,946.08/x
  3. Step 3: Cross multiply
    6,635.60x = 9,157.55 × 3,946.08
  4. Step 4: Simplify right side
    6,635.60x = 36,136,405.17
  5. Step 5: Solve for x
    x = 36,136,405.17/6,635.60
  6. Step 6: Final answer
    x = 5,445.84

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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.