Home / 8,601.32-12,960.58-7,075.48

Finding the Fourth Proportional to 8,601.32, 12,960.58 and 7,075.48

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Solution

The fourth proportional to 8,601.32, 12,960.58 and 7,075.48 is: 10,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.32 : 12,960.58 = 7,075.48 : x
  2. Step 2: Convert to fraction form
    8,601.32/12,960.58 = 7,075.48/x
  3. Step 3: Cross multiply
    8,601.32x = 12,960.58 × 7,075.48
  4. Step 4: Simplify right side
    8,601.32x = 91,702,324.58
  5. Step 5: Solve for x
    x = 91,702,324.58/8,601.32
  6. Step 6: Final answer
    x = 10,661.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.