Home / 7,903.32-11,855.77-2,355.68

Finding the Fourth Proportional to 7,903.32, 11,855.77 and 2,355.68

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Solution

The fourth proportional to 7,903.32, 11,855.77 and 2,355.68 is: 3,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.32 : 11,855.77 = 2,355.68 : x
  2. Step 2: Convert to fraction form
    7,903.32/11,855.77 = 2,355.68/x
  3. Step 3: Cross multiply
    7,903.32x = 11,855.77 × 2,355.68
  4. Step 4: Simplify right side
    7,903.32x = 27,928,424.02
  5. Step 5: Solve for x
    x = 27,928,424.02/7,903.32
  6. Step 6: Final answer
    x = 3,533.76

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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.