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Finding the Fourth Proportional to 5,374.08, 7,465.86 and 5,326.02

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Solution

The fourth proportional to 5,374.08, 7,465.86 and 5,326.02 is: 7,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.08 : 7,465.86 = 5,326.02 : x
  2. Step 2: Convert to fraction form
    5,374.08/7,465.86 = 5,326.02/x
  3. Step 3: Cross multiply
    5,374.08x = 7,465.86 × 5,326.02
  4. Step 4: Simplify right side
    5,374.08x = 39,763,319.68
  5. Step 5: Solve for x
    x = 39,763,319.68/5,374.08
  6. Step 6: Final answer
    x = 7,399.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.