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Finding the Fourth Proportional to 9,007.58, 13,508.12 and 3,458.06

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Solution

The fourth proportional to 9,007.58, 13,508.12 and 3,458.06 is: 5,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.58 : 13,508.12 = 3,458.06 : x
  2. Step 2: Convert to fraction form
    9,007.58/13,508.12 = 3,458.06/x
  3. Step 3: Cross multiply
    9,007.58x = 13,508.12 × 3,458.06
  4. Step 4: Simplify right side
    9,007.58x = 46,711,889.45
  5. Step 5: Solve for x
    x = 46,711,889.45/9,007.58
  6. Step 6: Final answer
    x = 5,185.84

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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.