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Finding the Fourth Proportional to 8,203.07, 12,303.90 and 4,913.75

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Solution

The fourth proportional to 8,203.07, 12,303.90 and 4,913.75 is: 7,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.07 : 12,303.90 = 4,913.75 : x
  2. Step 2: Convert to fraction form
    8,203.07/12,303.90 = 4,913.75/x
  3. Step 3: Cross multiply
    8,203.07x = 12,303.90 × 4,913.75
  4. Step 4: Simplify right side
    8,203.07x = 60,458,227.11
  5. Step 5: Solve for x
    x = 60,458,227.11/8,203.07
  6. Step 6: Final answer
    x = 7,370.20

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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.