Home / 7,681.37-11,522.05-4,392.15

Finding the Fourth Proportional to 7,681.37, 11,522.05 and 4,392.15

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Solution

The fourth proportional to 7,681.37, 11,522.05 and 4,392.15 is: 6,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.37 : 11,522.05 = 4,392.15 : x
  2. Step 2: Convert to fraction form
    7,681.37/11,522.05 = 4,392.15/x
  3. Step 3: Cross multiply
    7,681.37x = 11,522.05 × 4,392.15
  4. Step 4: Simplify right side
    7,681.37x = 50,606,620.61
  5. Step 5: Solve for x
    x = 50,606,620.61/7,681.37
  6. Step 6: Final answer
    x = 6,588.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.