Home / 6,129.07-9,192.23-2,840.37

Finding the Fourth Proportional to 6,129.07, 9,192.23 and 2,840.37

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Solution

The fourth proportional to 6,129.07, 9,192.23 and 2,840.37 is: 4,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.07 : 9,192.23 = 2,840.37 : x
  2. Step 2: Convert to fraction form
    6,129.07/9,192.23 = 2,840.37/x
  3. Step 3: Cross multiply
    6,129.07x = 9,192.23 × 2,840.37
  4. Step 4: Simplify right side
    6,129.07x = 26,109,312.28
  5. Step 5: Solve for x
    x = 26,109,312.28/6,129.07
  6. Step 6: Final answer
    x = 4,259.92

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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.