Home / 5,103.64-7,047.51-3,218.59

Finding the Fourth Proportional to 5,103.64, 7,047.51 and 3,218.59

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Solution

The fourth proportional to 5,103.64, 7,047.51 and 3,218.59 is: 4,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.64 : 7,047.51 = 3,218.59 : x
  2. Step 2: Convert to fraction form
    5,103.64/7,047.51 = 3,218.59/x
  3. Step 3: Cross multiply
    5,103.64x = 7,047.51 × 3,218.59
  4. Step 4: Simplify right side
    5,103.64x = 22,683,009.97
  5. Step 5: Solve for x
    x = 22,683,009.97/5,103.64
  6. Step 6: Final answer
    x = 4,444.48

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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.