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Finding the Fourth Proportional to 8,813.03, 13,216.20 and 2,888.51

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Solution

The fourth proportional to 8,813.03, 13,216.20 and 2,888.51 is: 4,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.03 : 13,216.20 = 2,888.51 : x
  2. Step 2: Convert to fraction form
    8,813.03/13,216.20 = 2,888.51/x
  3. Step 3: Cross multiply
    8,813.03x = 13,216.20 × 2,888.51
  4. Step 4: Simplify right side
    8,813.03x = 38,175,125.86
  5. Step 5: Solve for x
    x = 38,175,125.86/8,813.03
  6. Step 6: Final answer
    x = 4,331.67

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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.