Home / 5,104.64-7,042.08-3,113.60

Finding the Fourth Proportional to 5,104.64, 7,042.08 and 3,113.60

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Solution

The fourth proportional to 5,104.64, 7,042.08 and 3,113.60 is: 4,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.64 : 7,042.08 = 3,113.60 : x
  2. Step 2: Convert to fraction form
    5,104.64/7,042.08 = 3,113.60/x
  3. Step 3: Cross multiply
    5,104.64x = 7,042.08 × 3,113.60
  4. Step 4: Simplify right side
    5,104.64x = 21,926,220.29
  5. Step 5: Solve for x
    x = 21,926,220.29/5,104.64
  6. Step 6: Final answer
    x = 4,295.35

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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.