Home / 4,445.84-6,668.70-1,325.86

Finding the Fourth Proportional to 4,445.84, 6,668.70 and 1,325.86

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Solution

The fourth proportional to 4,445.84, 6,668.70 and 1,325.86 is: 1,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.84 : 6,668.70 = 1,325.86 : x
  2. Step 2: Convert to fraction form
    4,445.84/6,668.70 = 1,325.86/x
  3. Step 3: Cross multiply
    4,445.84x = 6,668.70 × 1,325.86
  4. Step 4: Simplify right side
    4,445.84x = 8,841,776.56
  5. Step 5: Solve for x
    x = 8,841,776.56/4,445.84
  6. Step 6: Final answer
    x = 1,988.77

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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.