Home / 7,655.16-11,468.13-5,185.74

Finding the Fourth Proportional to 7,655.16, 11,468.13 and 5,185.74

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Solution

The fourth proportional to 7,655.16, 11,468.13 and 5,185.74 is: 7,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.16 : 11,468.13 = 5,185.74 : x
  2. Step 2: Convert to fraction form
    7,655.16/11,468.13 = 5,185.74/x
  3. Step 3: Cross multiply
    7,655.16x = 11,468.13 × 5,185.74
  4. Step 4: Simplify right side
    7,655.16x = 59,470,740.47
  5. Step 5: Solve for x
    x = 59,470,740.47/7,655.16
  6. Step 6: Final answer
    x = 7,768.71

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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.