Home / 8,830.80-13,221.36-5,903.52

Finding the Fourth Proportional to 8,830.80, 13,221.36 and 5,903.52

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Solution

The fourth proportional to 8,830.80, 13,221.36 and 5,903.52 is: 8,838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.80 : 13,221.36 = 5,903.52 : x
  2. Step 2: Convert to fraction form
    8,830.80/13,221.36 = 5,903.52/x
  3. Step 3: Cross multiply
    8,830.80x = 13,221.36 × 5,903.52
  4. Step 4: Simplify right side
    8,830.80x = 78,052,563.19
  5. Step 5: Solve for x
    x = 78,052,563.19/8,830.80
  6. Step 6: Final answer
    x = 8,838.67

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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.