Home / 8,815.35-13,205.38-5,303.41

Finding the Fourth Proportional to 8,815.35, 13,205.38 and 5,303.41

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Solution

The fourth proportional to 8,815.35, 13,205.38 and 5,303.41 is: 7,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.35 : 13,205.38 = 5,303.41 : x
  2. Step 2: Convert to fraction form
    8,815.35/13,205.38 = 5,303.41/x
  3. Step 3: Cross multiply
    8,815.35x = 13,205.38 × 5,303.41
  4. Step 4: Simplify right side
    8,815.35x = 70,033,544.35
  5. Step 5: Solve for x
    x = 70,033,544.35/8,815.35
  6. Step 6: Final answer
    x = 7,944.50

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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.