Home / 8,890.72-13,336.85-2,565.63

Finding the Fourth Proportional to 8,890.72, 13,336.85 and 2,565.63

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Solution

The fourth proportional to 8,890.72, 13,336.85 and 2,565.63 is: 3,848.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.72 : 13,336.85 = 2,565.63 : x
  2. Step 2: Convert to fraction form
    8,890.72/13,336.85 = 2,565.63/x
  3. Step 3: Cross multiply
    8,890.72x = 13,336.85 × 2,565.63
  4. Step 4: Simplify right side
    8,890.72x = 34,217,428.88
  5. Step 5: Solve for x
    x = 34,217,428.88/8,890.72
  6. Step 6: Final answer
    x = 3,848.67

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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.