Home / 6,403.80-8,837.01-3,751.15

Finding the Fourth Proportional to 6,403.80, 8,837.01 and 3,751.15

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Solution

The fourth proportional to 6,403.80, 8,837.01 and 3,751.15 is: 5,176.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.80 : 8,837.01 = 3,751.15 : x
  2. Step 2: Convert to fraction form
    6,403.80/8,837.01 = 3,751.15/x
  3. Step 3: Cross multiply
    6,403.80x = 8,837.01 × 3,751.15
  4. Step 4: Simplify right side
    6,403.80x = 33,148,950.06
  5. Step 5: Solve for x
    x = 33,148,950.06/6,403.80
  6. Step 6: Final answer
    x = 5,176.45

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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.