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Finding the Fourth Proportional to 9,762.93, 13,487.51 and 6,789.02

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Solution

The fourth proportional to 9,762.93, 13,487.51 and 6,789.02 is: 9,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,762.93 : 13,487.51 = 6,789.02 : x
  2. Step 2: Convert to fraction form
    9,762.93/13,487.51 = 6,789.02/x
  3. Step 3: Cross multiply
    9,762.93x = 13,487.51 × 6,789.02
  4. Step 4: Simplify right side
    9,762.93x = 91,566,924.68
  5. Step 5: Solve for x
    x = 91,566,924.68/9,762.93
  6. Step 6: Final answer
    x = 9,379.04

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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.