Home / 9,055.49-13,587.85-4,379.51

Finding the Fourth Proportional to 9,055.49, 13,587.85 and 4,379.51

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Solution

The fourth proportional to 9,055.49, 13,587.85 and 4,379.51 is: 6,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.49 : 13,587.85 = 4,379.51 : x
  2. Step 2: Convert to fraction form
    9,055.49/13,587.85 = 4,379.51/x
  3. Step 3: Cross multiply
    9,055.49x = 13,587.85 × 4,379.51
  4. Step 4: Simplify right side
    9,055.49x = 59,508,057.01
  5. Step 5: Solve for x
    x = 59,508,057.01/9,055.49
  6. Step 6: Final answer
    x = 6,571.49

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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.