Home / 7,208.18-9,948.38-5,218.01

Finding the Fourth Proportional to 7,208.18, 9,948.38 and 5,218.01

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Solution

The fourth proportional to 7,208.18, 9,948.38 and 5,218.01 is: 7,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.18 : 9,948.38 = 5,218.01 : x
  2. Step 2: Convert to fraction form
    7,208.18/9,948.38 = 5,218.01/x
  3. Step 3: Cross multiply
    7,208.18x = 9,948.38 × 5,218.01
  4. Step 4: Simplify right side
    7,208.18x = 51,910,670.49
  5. Step 5: Solve for x
    x = 51,910,670.49/7,208.18
  6. Step 6: Final answer
    x = 7,201.64

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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.