Home / 6,818.18-9,409.37-5,021.19

Finding the Fourth Proportional to 6,818.18, 9,409.37 and 5,021.19

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Solution

The fourth proportional to 6,818.18, 9,409.37 and 5,021.19 is: 6,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.18 : 9,409.37 = 5,021.19 : x
  2. Step 2: Convert to fraction form
    6,818.18/9,409.37 = 5,021.19/x
  3. Step 3: Cross multiply
    6,818.18x = 9,409.37 × 5,021.19
  4. Step 4: Simplify right side
    6,818.18x = 47,246,209.44
  5. Step 5: Solve for x
    x = 47,246,209.44/6,818.18
  6. Step 6: Final answer
    x = 6,929.45

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Half scale
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Double scale
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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.