Home / 6,802.85-9,387.69-3,818.81

Finding the Fourth Proportional to 6,802.85, 9,387.69 and 3,818.81

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Solution

The fourth proportional to 6,802.85, 9,387.69 and 3,818.81 is: 5,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.85 : 9,387.69 = 3,818.81 : x
  2. Step 2: Convert to fraction form
    6,802.85/9,387.69 = 3,818.81/x
  3. Step 3: Cross multiply
    6,802.85x = 9,387.69 × 3,818.81
  4. Step 4: Simplify right side
    6,802.85x = 35,849,804.45
  5. Step 5: Solve for x
    x = 35,849,804.45/6,802.85
  6. Step 6: Final answer
    x = 5,269.82

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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.