Home / 7,748.07-10,684.47-6,632.70

Finding the Fourth Proportional to 7,748.07, 10,684.47 and 6,632.70

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Solution

The fourth proportional to 7,748.07, 10,684.47 and 6,632.70 is: 9,146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.07 : 10,684.47 = 6,632.70 : x
  2. Step 2: Convert to fraction form
    7,748.07/10,684.47 = 6,632.70/x
  3. Step 3: Cross multiply
    7,748.07x = 10,684.47 × 6,632.70
  4. Step 4: Simplify right side
    7,748.07x = 70,866,884.17
  5. Step 5: Solve for x
    x = 70,866,884.17/7,748.07
  6. Step 6: Final answer
    x = 9,146.39

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.