Home / 7,857.63-11,783.37-2,592.42

Finding the Fourth Proportional to 7,857.63, 11,783.37 and 2,592.42

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Solution

The fourth proportional to 7,857.63, 11,783.37 and 2,592.42 is: 3,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.63 : 11,783.37 = 2,592.42 : x
  2. Step 2: Convert to fraction form
    7,857.63/11,783.37 = 2,592.42/x
  3. Step 3: Cross multiply
    7,857.63x = 11,783.37 × 2,592.42
  4. Step 4: Simplify right side
    7,857.63x = 30,547,444.06
  5. Step 5: Solve for x
    x = 30,547,444.06/7,857.63
  6. Step 6: Final answer
    x = 3,887.62

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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.