Home / 7,398.30-11,097.37-1,851.63

Finding the Fourth Proportional to 7,398.30, 11,097.37 and 1,851.63

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Solution

The fourth proportional to 7,398.30, 11,097.37 and 1,851.63 is: 2,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.30 : 11,097.37 = 1,851.63 : x
  2. Step 2: Convert to fraction form
    7,398.30/11,097.37 = 1,851.63/x
  3. Step 3: Cross multiply
    7,398.30x = 11,097.37 × 1,851.63
  4. Step 4: Simplify right side
    7,398.30x = 20,548,223.21
  5. Step 5: Solve for x
    x = 20,548,223.21/7,398.30
  6. Step 6: Final answer
    x = 2,777.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.