Home / 7,681.73-11,510.84-5,173.62

Finding the Fourth Proportional to 7,681.73, 11,510.84 and 5,173.62

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Solution

The fourth proportional to 7,681.73, 11,510.84 and 5,173.62 is: 7,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.73 : 11,510.84 = 5,173.62 : x
  2. Step 2: Convert to fraction form
    7,681.73/11,510.84 = 5,173.62/x
  3. Step 3: Cross multiply
    7,681.73x = 11,510.84 × 5,173.62
  4. Step 4: Simplify right side
    7,681.73x = 59,552,686.17
  5. Step 5: Solve for x
    x = 59,552,686.17/7,681.73
  6. Step 6: Final answer
    x = 7,752.51

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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.