Home / 5,856.03-8,778.70-2,155.68

Finding the Fourth Proportional to 5,856.03, 8,778.70 and 2,155.68

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Solution

The fourth proportional to 5,856.03, 8,778.70 and 2,155.68 is: 3,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.03 : 8,778.70 = 2,155.68 : x
  2. Step 2: Convert to fraction form
    5,856.03/8,778.70 = 2,155.68/x
  3. Step 3: Cross multiply
    5,856.03x = 8,778.70 × 2,155.68
  4. Step 4: Simplify right side
    5,856.03x = 18,924,068.02
  5. Step 5: Solve for x
    x = 18,924,068.02/5,856.03
  6. Step 6: Final answer
    x = 3,231.55

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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.