Home / 4,055.35-6,078.57-1,587.45

Finding the Fourth Proportional to 4,055.35, 6,078.57 and 1,587.45

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Solution

The fourth proportional to 4,055.35, 6,078.57 and 1,587.45 is: 2,379.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,055.35 : 6,078.57 = 1,587.45 : x
  2. Step 2: Convert to fraction form
    4,055.35/6,078.57 = 1,587.45/x
  3. Step 3: Cross multiply
    4,055.35x = 6,078.57 × 1,587.45
  4. Step 4: Simplify right side
    4,055.35x = 9,649,425.95
  5. Step 5: Solve for x
    x = 9,649,425.95/4,055.35
  6. Step 6: Final answer
    x = 2,379.43

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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.