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Finding the Fourth Proportional to 7,345.25, 11,017.88 and 1,873.25

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Solution

The fourth proportional to 7,345.25, 11,017.88 and 1,873.25 is: 2,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.25 : 11,017.88 = 1,873.25 : x
  2. Step 2: Convert to fraction form
    7,345.25/11,017.88 = 1,873.25/x
  3. Step 3: Cross multiply
    7,345.25x = 11,017.88 × 1,873.25
  4. Step 4: Simplify right side
    7,345.25x = 20,639,234.34
  5. Step 5: Solve for x
    x = 20,639,234.34/7,345.25
  6. Step 6: Final answer
    x = 2,809.88

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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.