Home / 8,002.85-11,045.90-4,861.67

Finding the Fourth Proportional to 8,002.85, 11,045.90 and 4,861.67

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Solution

The fourth proportional to 8,002.85, 11,045.90 and 4,861.67 is: 6,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.85 : 11,045.90 = 4,861.67 : x
  2. Step 2: Convert to fraction form
    8,002.85/11,045.90 = 4,861.67/x
  3. Step 3: Cross multiply
    8,002.85x = 11,045.90 × 4,861.67
  4. Step 4: Simplify right side
    8,002.85x = 53,701,477.58
  5. Step 5: Solve for x
    x = 53,701,477.58/8,002.85
  6. Step 6: Final answer
    x = 6,710.30

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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.