Home / 7,985.27-11,019.66-4,448.48

Finding the Fourth Proportional to 7,985.27, 11,019.66 and 4,448.48

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Solution

The fourth proportional to 7,985.27, 11,019.66 and 4,448.48 is: 6,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.27 : 11,019.66 = 4,448.48 : x
  2. Step 2: Convert to fraction form
    7,985.27/11,019.66 = 4,448.48/x
  3. Step 3: Cross multiply
    7,985.27x = 11,019.66 × 4,448.48
  4. Step 4: Simplify right side
    7,985.27x = 49,020,682.02
  5. Step 5: Solve for x
    x = 49,020,682.02/7,985.27
  6. Step 6: Final answer
    x = 6,138.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.