Home / 4,421.60-6,631.64-1,459.13

Finding the Fourth Proportional to 4,421.60, 6,631.64 and 1,459.13

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Solution

The fourth proportional to 4,421.60, 6,631.64 and 1,459.13 is: 2,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.60 : 6,631.64 = 1,459.13 : x
  2. Step 2: Convert to fraction form
    4,421.60/6,631.64 = 1,459.13/x
  3. Step 3: Cross multiply
    4,421.60x = 6,631.64 × 1,459.13
  4. Step 4: Simplify right side
    4,421.60x = 9,676,384.42
  5. Step 5: Solve for x
    x = 9,676,384.42/4,421.60
  6. Step 6: Final answer
    x = 2,188.44

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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.