Home / 6,403.44-8,837.45-3,715.25

Finding the Fourth Proportional to 6,403.44, 8,837.45 and 3,715.25

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Solution

The fourth proportional to 6,403.44, 8,837.45 and 3,715.25 is: 5,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.44 : 8,837.45 = 3,715.25 : x
  2. Step 2: Convert to fraction form
    6,403.44/8,837.45 = 3,715.25/x
  3. Step 3: Cross multiply
    6,403.44x = 8,837.45 × 3,715.25
  4. Step 4: Simplify right side
    6,403.44x = 32,833,336.11
  5. Step 5: Solve for x
    x = 32,833,336.11/6,403.44
  6. Step 6: Final answer
    x = 5,127.45

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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.