Home / 6,278.50-8,664.33-3,484.54

Finding the Fourth Proportional to 6,278.50, 8,664.33 and 3,484.54

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Solution

The fourth proportional to 6,278.50, 8,664.33 and 3,484.54 is: 4,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.50 : 8,664.33 = 3,484.54 : x
  2. Step 2: Convert to fraction form
    6,278.50/8,664.33 = 3,484.54/x
  3. Step 3: Cross multiply
    6,278.50x = 8,664.33 × 3,484.54
  4. Step 4: Simplify right side
    6,278.50x = 30,191,204.46
  5. Step 5: Solve for x
    x = 30,191,204.46/6,278.50
  6. Step 6: Final answer
    x = 4,808.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.