Home / 4,445.40-6,669.18-1,325.38

Finding the Fourth Proportional to 4,445.40, 6,669.18 and 1,325.38

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Solution

The fourth proportional to 4,445.40, 6,669.18 and 1,325.38 is: 1,988.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.40 : 6,669.18 = 1,325.38 : x
  2. Step 2: Convert to fraction form
    4,445.40/6,669.18 = 1,325.38/x
  3. Step 3: Cross multiply
    4,445.40x = 6,669.18 × 1,325.38
  4. Step 4: Simplify right side
    4,445.40x = 8,839,197.79
  5. Step 5: Solve for x
    x = 8,839,197.79/4,445.40
  6. Step 6: Final answer
    x = 1,988.39

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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.