Home / 5,417.50-8,124.60-2,819.02

Finding the Fourth Proportional to 5,417.50, 8,124.60 and 2,819.02

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Solution

The fourth proportional to 5,417.50, 8,124.60 and 2,819.02 is: 4,227.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.50 : 8,124.60 = 2,819.02 : x
  2. Step 2: Convert to fraction form
    5,417.50/8,124.60 = 2,819.02/x
  3. Step 3: Cross multiply
    5,417.50x = 8,124.60 × 2,819.02
  4. Step 4: Simplify right side
    5,417.50x = 22,903,409.89
  5. Step 5: Solve for x
    x = 22,903,409.89/5,417.50
  6. Step 6: Final answer
    x = 4,227.67

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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.