Home / 4,459.55-6,690.48-1,339.43

Finding the Fourth Proportional to 4,459.55, 6,690.48 and 1,339.43

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Solution

The fourth proportional to 4,459.55, 6,690.48 and 1,339.43 is: 2,009.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.55 : 6,690.48 = 1,339.43 : x
  2. Step 2: Convert to fraction form
    4,459.55/6,690.48 = 1,339.43/x
  3. Step 3: Cross multiply
    4,459.55x = 6,690.48 × 1,339.43
  4. Step 4: Simplify right side
    4,459.55x = 8,961,422.93
  5. Step 5: Solve for x
    x = 8,961,422.93/4,459.55
  6. Step 6: Final answer
    x = 2,009.49

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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.