Home / 5,805.60-8,707.58-1,909.50

Finding the Fourth Proportional to 5,805.60, 8,707.58 and 1,909.50

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Solution

The fourth proportional to 5,805.60, 8,707.58 and 1,909.50 is: 2,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.60 : 8,707.58 = 1,909.50 : x
  2. Step 2: Convert to fraction form
    5,805.60/8,707.58 = 1,909.50/x
  3. Step 3: Cross multiply
    5,805.60x = 8,707.58 × 1,909.50
  4. Step 4: Simplify right side
    5,805.60x = 16,627,124.01
  5. Step 5: Solve for x
    x = 16,627,124.01/5,805.60
  6. Step 6: Final answer
    x = 2,863.98

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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.