Home / 7,354.98-11,032.40-1,808.28

Finding the Fourth Proportional to 7,354.98, 11,032.40 and 1,808.28

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Solution

The fourth proportional to 7,354.98, 11,032.40 and 1,808.28 is: 2,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.98 : 11,032.40 = 1,808.28 : x
  2. Step 2: Convert to fraction form
    7,354.98/11,032.40 = 1,808.28/x
  3. Step 3: Cross multiply
    7,354.98x = 11,032.40 × 1,808.28
  4. Step 4: Simplify right side
    7,354.98x = 19,949,659.23
  5. Step 5: Solve for x
    x = 19,949,659.23/7,354.98
  6. Step 6: Final answer
    x = 2,712.40

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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.