Home / 5,208.34-7,187.48-2,818.31

Finding the Fourth Proportional to 5,208.34, 7,187.48 and 2,818.31

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Solution

The fourth proportional to 5,208.34, 7,187.48 and 2,818.31 is: 3,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.34 : 7,187.48 = 2,818.31 : x
  2. Step 2: Convert to fraction form
    5,208.34/7,187.48 = 2,818.31/x
  3. Step 3: Cross multiply
    5,208.34x = 7,187.48 × 2,818.31
  4. Step 4: Simplify right side
    5,208.34x = 20,256,528.79
  5. Step 5: Solve for x
    x = 20,256,528.79/5,208.34
  6. Step 6: Final answer
    x = 3,889.25

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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.