Home / 7,681.34-11,521.99-5,083.68

Finding the Fourth Proportional to 7,681.34, 11,521.99 and 5,083.68

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Solution

The fourth proportional to 7,681.34, 11,521.99 and 5,083.68 is: 7,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.34 : 11,521.99 = 5,083.68 : x
  2. Step 2: Convert to fraction form
    7,681.34/11,521.99 = 5,083.68/x
  3. Step 3: Cross multiply
    7,681.34x = 11,521.99 × 5,083.68
  4. Step 4: Simplify right side
    7,681.34x = 58,574,110.12
  5. Step 5: Solve for x
    x = 58,574,110.12/7,681.34
  6. Step 6: Final answer
    x = 7,625.51

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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.