Home / 6,921.53-9,553.25-4,403.15

Finding the Fourth Proportional to 6,921.53, 9,553.25 and 4,403.15

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Solution

The fourth proportional to 6,921.53, 9,553.25 and 4,403.15 is: 6,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.53 : 9,553.25 = 4,403.15 : x
  2. Step 2: Convert to fraction form
    6,921.53/9,553.25 = 4,403.15/x
  3. Step 3: Cross multiply
    6,921.53x = 9,553.25 × 4,403.15
  4. Step 4: Simplify right side
    6,921.53x = 42,064,392.74
  5. Step 5: Solve for x
    x = 42,064,392.74/6,921.53
  6. Step 6: Final answer
    x = 6,077.33

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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.