Home / 4,403.55-6,605.28-1,325.55

Finding the Fourth Proportional to 4,403.55, 6,605.28 and 1,325.55

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Solution

The fourth proportional to 4,403.55, 6,605.28 and 1,325.55 is: 1,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,403.55 : 6,605.28 = 1,325.55 : x
  2. Step 2: Convert to fraction form
    4,403.55/6,605.28 = 1,325.55/x
  3. Step 3: Cross multiply
    4,403.55x = 6,605.28 × 1,325.55
  4. Step 4: Simplify right side
    4,403.55x = 8,755,628.90
  5. Step 5: Solve for x
    x = 8,755,628.90/4,403.55
  6. Step 6: Final answer
    x = 1,988.31

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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.