Home / 8,855.15-13,290.93-4,475.67

Finding the Fourth Proportional to 8,855.15, 13,290.93 and 4,475.67

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Solution

The fourth proportional to 8,855.15, 13,290.93 and 4,475.67 is: 6,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.15 : 13,290.93 = 4,475.67 : x
  2. Step 2: Convert to fraction form
    8,855.15/13,290.93 = 4,475.67/x
  3. Step 3: Cross multiply
    8,855.15x = 13,290.93 × 4,475.67
  4. Step 4: Simplify right side
    8,855.15x = 59,485,794.29
  5. Step 5: Solve for x
    x = 59,485,794.29/8,855.15
  6. Step 6: Final answer
    x = 6,717.65

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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.