Home / 6,818.70-9,409.65-4,166.10

Finding the Fourth Proportional to 6,818.70, 9,409.65 and 4,166.10

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Solution

The fourth proportional to 6,818.70, 9,409.65 and 4,166.10 is: 5,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.70 : 9,409.65 = 4,166.10 : x
  2. Step 2: Convert to fraction form
    6,818.70/9,409.65 = 4,166.10/x
  3. Step 3: Cross multiply
    6,818.70x = 9,409.65 × 4,166.10
  4. Step 4: Simplify right side
    6,818.70x = 39,201,542.87
  5. Step 5: Solve for x
    x = 39,201,542.87/6,818.70
  6. Step 6: Final answer
    x = 5,749.12

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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.