Home / 7,103.04-10,653.68-1,909.32

Finding the Fourth Proportional to 7,103.04, 10,653.68 and 1,909.32

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Solution

The fourth proportional to 7,103.04, 10,653.68 and 1,909.32 is: 2,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.04 : 10,653.68 = 1,909.32 : x
  2. Step 2: Convert to fraction form
    7,103.04/10,653.68 = 1,909.32/x
  3. Step 3: Cross multiply
    7,103.04x = 10,653.68 × 1,909.32
  4. Step 4: Simplify right side
    7,103.04x = 20,341,284.30
  5. Step 5: Solve for x
    x = 20,341,284.30/7,103.04
  6. Step 6: Final answer
    x = 2,863.74

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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.