Home / 5,370.15-8,054.78-1,672.32

Finding the Fourth Proportional to 5,370.15, 8,054.78 and 1,672.32

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Solution

The fourth proportional to 5,370.15, 8,054.78 and 1,672.32 is: 2,508.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.15 : 8,054.78 = 1,672.32 : x
  2. Step 2: Convert to fraction form
    5,370.15/8,054.78 = 1,672.32/x
  3. Step 3: Cross multiply
    5,370.15x = 8,054.78 × 1,672.32
  4. Step 4: Simplify right side
    5,370.15x = 13,470,161.33
  5. Step 5: Solve for x
    x = 13,470,161.33/5,370.15
  6. Step 6: Final answer
    x = 2,508.34

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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.