Home / 4,445.81-6,668.65-1,325.83

Finding the Fourth Proportional to 4,445.81, 6,668.65 and 1,325.83

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Solution

The fourth proportional to 4,445.81, 6,668.65 and 1,325.83 is: 1,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.81 : 6,668.65 = 1,325.83 : x
  2. Step 2: Convert to fraction form
    4,445.81/6,668.65 = 1,325.83/x
  3. Step 3: Cross multiply
    4,445.81x = 6,668.65 × 1,325.83
  4. Step 4: Simplify right side
    4,445.81x = 8,841,486.26
  5. Step 5: Solve for x
    x = 8,841,486.26/4,445.81
  6. Step 6: Final answer
    x = 1,988.72

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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.