Home / 5,551.32-7,693.95-5,447.64

Finding the Fourth Proportional to 5,551.32, 7,693.95 and 5,447.64

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Solution

The fourth proportional to 5,551.32, 7,693.95 and 5,447.64 is: 7,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.32 : 7,693.95 = 5,447.64 : x
  2. Step 2: Convert to fraction form
    5,551.32/7,693.95 = 5,447.64/x
  3. Step 3: Cross multiply
    5,551.32x = 7,693.95 × 5,447.64
  4. Step 4: Simplify right side
    5,551.32x = 41,913,869.78
  5. Step 5: Solve for x
    x = 41,913,869.78/5,551.32
  6. Step 6: Final answer
    x = 7,550.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.