Home / 4,556.47-6,290.66-2,987.30

Finding the Fourth Proportional to 4,556.47, 6,290.66 and 2,987.30

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Solution

The fourth proportional to 4,556.47, 6,290.66 and 2,987.30 is: 4,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,556.47 : 6,290.66 = 2,987.30 : x
  2. Step 2: Convert to fraction form
    4,556.47/6,290.66 = 2,987.30/x
  3. Step 3: Cross multiply
    4,556.47x = 6,290.66 × 2,987.30
  4. Step 4: Simplify right side
    4,556.47x = 18,792,088.62
  5. Step 5: Solve for x
    x = 18,792,088.62/4,556.47
  6. Step 6: Final answer
    x = 4,124.26

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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.