Home / 7,098.12-10,646.88-1,904

Finding the Fourth Proportional to 7,098.12, 10,646.88 and 1,904

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Solution

The fourth proportional to 7,098.12, 10,646.88 and 1,904 is: 2,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.12 : 10,646.88 = 1,904 : x
  2. Step 2: Convert to fraction form
    7,098.12/10,646.88 = 1,904/x
  3. Step 3: Cross multiply
    7,098.12x = 10,646.88 × 1,904
  4. Step 4: Simplify right side
    7,098.12x = 20,271,659.52
  5. Step 5: Solve for x
    x = 20,271,659.52/7,098.12
  6. Step 6: Final answer
    x = 2,855.92

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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.