Home / 6,317.04-8,716.80-3,663.84

Finding the Fourth Proportional to 6,317.04, 8,716.80 and 3,663.84

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Solution

The fourth proportional to 6,317.04, 8,716.80 and 3,663.84 is: 5,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.04 : 8,716.80 = 3,663.84 : x
  2. Step 2: Convert to fraction form
    6,317.04/8,716.80 = 3,663.84/x
  3. Step 3: Cross multiply
    6,317.04x = 8,716.80 × 3,663.84
  4. Step 4: Simplify right side
    6,317.04x = 31,936,960.51
  5. Step 5: Solve for x
    x = 31,936,960.51/6,317.04
  6. Step 6: Final answer
    x = 5,055.68

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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.