Home / 6,345.85-9,520.72-2,838.81

Finding the Fourth Proportional to 6,345.85, 9,520.72 and 2,838.81

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Solution

The fourth proportional to 6,345.85, 9,520.72 and 2,838.81 is: 4,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.85 : 9,520.72 = 2,838.81 : x
  2. Step 2: Convert to fraction form
    6,345.85/9,520.72 = 2,838.81/x
  3. Step 3: Cross multiply
    6,345.85x = 9,520.72 × 2,838.81
  4. Step 4: Simplify right side
    6,345.85x = 27,027,453.35
  5. Step 5: Solve for x
    x = 27,027,453.35/6,345.85
  6. Step 6: Final answer
    x = 4,259.08

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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.