Home / 8,747.94-13,124.75-5,237.40

Finding the Fourth Proportional to 8,747.94, 13,124.75 and 5,237.40

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Solution

The fourth proportional to 8,747.94, 13,124.75 and 5,237.40 is: 7,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.94 : 13,124.75 = 5,237.40 : x
  2. Step 2: Convert to fraction form
    8,747.94/13,124.75 = 5,237.40/x
  3. Step 3: Cross multiply
    8,747.94x = 13,124.75 × 5,237.40
  4. Step 4: Simplify right side
    8,747.94x = 68,739,565.65
  5. Step 5: Solve for x
    x = 68,739,565.65/8,747.94
  6. Step 6: Final answer
    x = 7,857.80

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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.