Home / 5,447.54-7,519.19-3,559.40

Finding the Fourth Proportional to 5,447.54, 7,519.19 and 3,559.40

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Solution

The fourth proportional to 5,447.54, 7,519.19 and 3,559.40 is: 4,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.54 : 7,519.19 = 3,559.40 : x
  2. Step 2: Convert to fraction form
    5,447.54/7,519.19 = 3,559.40/x
  3. Step 3: Cross multiply
    5,447.54x = 7,519.19 × 3,559.40
  4. Step 4: Simplify right side
    5,447.54x = 26,763,804.89
  5. Step 5: Solve for x
    x = 26,763,804.89/5,447.54
  6. Step 6: Final answer
    x = 4,913.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.