Home / 6,284.13-8,681.41-4,135.74

Finding the Fourth Proportional to 6,284.13, 8,681.41 and 4,135.74

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Solution

The fourth proportional to 6,284.13, 8,681.41 and 4,135.74 is: 5,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,284.13 : 8,681.41 = 4,135.74 : x
  2. Step 2: Convert to fraction form
    6,284.13/8,681.41 = 4,135.74/x
  3. Step 3: Cross multiply
    6,284.13x = 8,681.41 × 4,135.74
  4. Step 4: Simplify right side
    6,284.13x = 35,904,054.59
  5. Step 5: Solve for x
    x = 35,904,054.59/6,284.13
  6. Step 6: Final answer
    x = 5,713.45

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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.