Home / 6,445.66-8,892.35-3,926.85

Finding the Fourth Proportional to 6,445.66, 8,892.35 and 3,926.85

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Solution

The fourth proportional to 6,445.66, 8,892.35 and 3,926.85 is: 5,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.66 : 8,892.35 = 3,926.85 : x
  2. Step 2: Convert to fraction form
    6,445.66/8,892.35 = 3,926.85/x
  3. Step 3: Cross multiply
    6,445.66x = 8,892.35 × 3,926.85
  4. Step 4: Simplify right side
    6,445.66x = 34,918,924.60
  5. Step 5: Solve for x
    x = 34,918,924.60/6,445.66
  6. Step 6: Final answer
    x = 5,417.44

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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.