Home / 5,106.47-7,047.58-3,116.60

Finding the Fourth Proportional to 5,106.47, 7,047.58 and 3,116.60

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Solution

The fourth proportional to 5,106.47, 7,047.58 and 3,116.60 is: 4,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.47 : 7,047.58 = 3,116.60 : x
  2. Step 2: Convert to fraction form
    5,106.47/7,047.58 = 3,116.60/x
  3. Step 3: Cross multiply
    5,106.47x = 7,047.58 × 3,116.60
  4. Step 4: Simplify right side
    5,106.47x = 21,964,487.83
  5. Step 5: Solve for x
    x = 21,964,487.83/5,106.47
  6. Step 6: Final answer
    x = 4,301.31

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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.