Home / 8,880.39-13,317.46-2,955.67

Finding the Fourth Proportional to 8,880.39, 13,317.46 and 2,955.67

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Solution

The fourth proportional to 8,880.39, 13,317.46 and 2,955.67 is: 4,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.39 : 13,317.46 = 2,955.67 : x
  2. Step 2: Convert to fraction form
    8,880.39/13,317.46 = 2,955.67/x
  3. Step 3: Cross multiply
    8,880.39x = 13,317.46 × 2,955.67
  4. Step 4: Simplify right side
    8,880.39x = 39,361,976.32
  5. Step 5: Solve for x
    x = 39,361,976.32/8,880.39
  6. Step 6: Final answer
    x = 4,432.46

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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.