Home / 4,459.64-6,690.21-2,239.53

Finding the Fourth Proportional to 4,459.64, 6,690.21 and 2,239.53

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Solution

The fourth proportional to 4,459.64, 6,690.21 and 2,239.53 is: 3,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.64 : 6,690.21 = 2,239.53 : x
  2. Step 2: Convert to fraction form
    4,459.64/6,690.21 = 2,239.53/x
  3. Step 3: Cross multiply
    4,459.64x = 6,690.21 × 2,239.53
  4. Step 4: Simplify right side
    4,459.64x = 14,982,892.55
  5. Step 5: Solve for x
    x = 14,982,892.55/4,459.64
  6. Step 6: Final answer
    x = 3,359.67

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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.