Home / 5,028.36-7,543.32-1,909.68

Finding the Fourth Proportional to 5,028.36, 7,543.32 and 1,909.68

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Solution

The fourth proportional to 5,028.36, 7,543.32 and 1,909.68 is: 2,864.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.36 : 7,543.32 = 1,909.68 : x
  2. Step 2: Convert to fraction form
    5,028.36/7,543.32 = 1,909.68/x
  3. Step 3: Cross multiply
    5,028.36x = 7,543.32 × 1,909.68
  4. Step 4: Simplify right side
    5,028.36x = 14,405,327.34
  5. Step 5: Solve for x
    x = 14,405,327.34/5,028.36
  6. Step 6: Final answer
    x = 2,864.82

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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.