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Finding the Fourth Proportional to 7,316.55, 10,976.55 and 2,386.20

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Solution

The fourth proportional to 7,316.55, 10,976.55 and 2,386.20 is: 3,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.55 : 10,976.55 = 2,386.20 : x
  2. Step 2: Convert to fraction form
    7,316.55/10,976.55 = 2,386.20/x
  3. Step 3: Cross multiply
    7,316.55x = 10,976.55 × 2,386.20
  4. Step 4: Simplify right side
    7,316.55x = 26,192,243.61
  5. Step 5: Solve for x
    x = 26,192,243.61/7,316.55
  6. Step 6: Final answer
    x = 3,579.86

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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.