Home / 8,870.70-13,289.55-4,423.26

Finding the Fourth Proportional to 8,870.70, 13,289.55 and 4,423.26

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Solution

The fourth proportional to 8,870.70, 13,289.55 and 4,423.26 is: 6,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.70 : 13,289.55 = 4,423.26 : x
  2. Step 2: Convert to fraction form
    8,870.70/13,289.55 = 4,423.26/x
  3. Step 3: Cross multiply
    8,870.70x = 13,289.55 × 4,423.26
  4. Step 4: Simplify right side
    8,870.70x = 58,783,134.93
  5. Step 5: Solve for x
    x = 58,783,134.93/8,870.70
  6. Step 6: Final answer
    x = 6,626.66

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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.