Home / 6,416.55-9,627.45-2,905.60

Finding the Fourth Proportional to 6,416.55, 9,627.45 and 2,905.60

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Solution

The fourth proportional to 6,416.55, 9,627.45 and 2,905.60 is: 4,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416.55 : 9,627.45 = 2,905.60 : x
  2. Step 2: Convert to fraction form
    6,416.55/9,627.45 = 2,905.60/x
  3. Step 3: Cross multiply
    6,416.55x = 9,627.45 × 2,905.60
  4. Step 4: Simplify right side
    6,416.55x = 27,973,518.72
  5. Step 5: Solve for x
    x = 27,973,518.72/6,416.55
  6. Step 6: Final answer
    x = 4,359.59

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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.