Home / 6,746.45-9,309.89-3,680.18

Finding the Fourth Proportional to 6,746.45, 9,309.89 and 3,680.18

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Solution

The fourth proportional to 6,746.45, 9,309.89 and 3,680.18 is: 5,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.45 : 9,309.89 = 3,680.18 : x
  2. Step 2: Convert to fraction form
    6,746.45/9,309.89 = 3,680.18/x
  3. Step 3: Cross multiply
    6,746.45x = 9,309.89 × 3,680.18
  4. Step 4: Simplify right side
    6,746.45x = 34,262,075.85
  5. Step 5: Solve for x
    x = 34,262,075.85/6,746.45
  6. Step 6: Final answer
    x = 5,078.54

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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.