Home / 8,257.52-11,399.80-6,364.96

Finding the Fourth Proportional to 8,257.52, 11,399.80 and 6,364.96

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Solution

The fourth proportional to 8,257.52, 11,399.80 and 6,364.96 is: 8,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.52 : 11,399.80 = 6,364.96 : x
  2. Step 2: Convert to fraction form
    8,257.52/11,399.80 = 6,364.96/x
  3. Step 3: Cross multiply
    8,257.52x = 11,399.80 × 6,364.96
  4. Step 4: Simplify right side
    8,257.52x = 72,559,271.01
  5. Step 5: Solve for x
    x = 72,559,271.01/8,257.52
  6. Step 6: Final answer
    x = 8,787.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.