Home / 6,340.37-8,749.67-3,545.87

Finding the Fourth Proportional to 6,340.37, 8,749.67 and 3,545.87

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Solution

The fourth proportional to 6,340.37, 8,749.67 and 3,545.87 is: 4,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.37 : 8,749.67 = 3,545.87 : x
  2. Step 2: Convert to fraction form
    6,340.37/8,749.67 = 3,545.87/x
  3. Step 3: Cross multiply
    6,340.37x = 8,749.67 × 3,545.87
  4. Step 4: Simplify right side
    6,340.37x = 31,025,130.89
  5. Step 5: Solve for x
    x = 31,025,130.89/6,340.37
  6. Step 6: Final answer
    x = 4,893.27

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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.