Home / 7,656.16-11,469.63-5,186.74

Finding the Fourth Proportional to 7,656.16, 11,469.63 and 5,186.74

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Solution

The fourth proportional to 7,656.16, 11,469.63 and 5,186.74 is: 7,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.16 : 11,469.63 = 5,186.74 : x
  2. Step 2: Convert to fraction form
    7,656.16/11,469.63 = 5,186.74/x
  3. Step 3: Cross multiply
    7,656.16x = 11,469.63 × 5,186.74
  4. Step 4: Simplify right side
    7,656.16x = 59,489,988.71
  5. Step 5: Solve for x
    x = 59,489,988.71/7,656.16
  6. Step 6: Final answer
    x = 7,770.21

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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.