Home / 8,685.24-13,024.94-2,840.48

Finding the Fourth Proportional to 8,685.24, 13,024.94 and 2,840.48

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Solution

The fourth proportional to 8,685.24, 13,024.94 and 2,840.48 is: 4,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.24 : 13,024.94 = 2,840.48 : x
  2. Step 2: Convert to fraction form
    8,685.24/13,024.94 = 2,840.48/x
  3. Step 3: Cross multiply
    8,685.24x = 13,024.94 × 2,840.48
  4. Step 4: Simplify right side
    8,685.24x = 36,997,081.57
  5. Step 5: Solve for x
    x = 36,997,081.57/8,685.24
  6. Step 6: Final answer
    x = 4,259.77

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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.