Home / 8,436.00-12,655.93-2,889.32

Finding the Fourth Proportional to 8,436.00, 12,655.93 and 2,889.32

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Solution

The fourth proportional to 8,436.00, 12,655.93 and 2,889.32 is: 4,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.00 : 12,655.93 = 2,889.32 : x
  2. Step 2: Convert to fraction form
    8,436.00/12,655.93 = 2,889.32/x
  3. Step 3: Cross multiply
    8,436.00x = 12,655.93 × 2,889.32
  4. Step 4: Simplify right side
    8,436.00x = 36,567,037.77
  5. Step 5: Solve for x
    x = 36,567,037.77/8,436.00
  6. Step 6: Final answer
    x = 4,334.64

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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.