Home / 6,625.80-9,138.24-4,106.16

Finding the Fourth Proportional to 6,625.80, 9,138.24 and 4,106.16

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Solution

The fourth proportional to 6,625.80, 9,138.24 and 4,106.16 is: 5,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.80 : 9,138.24 = 4,106.16 : x
  2. Step 2: Convert to fraction form
    6,625.80/9,138.24 = 4,106.16/x
  3. Step 3: Cross multiply
    6,625.80x = 9,138.24 × 4,106.16
  4. Step 4: Simplify right side
    6,625.80x = 37,523,075.56
  5. Step 5: Solve for x
    x = 37,523,075.56/6,625.80
  6. Step 6: Final answer
    x = 5,663.18

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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.