Home / 8,384.37-11,569.75-4,847.80

Finding the Fourth Proportional to 8,384.37, 11,569.75 and 4,847.80

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Solution

The fourth proportional to 8,384.37, 11,569.75 and 4,847.80 is: 6,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.37 : 11,569.75 = 4,847.80 : x
  2. Step 2: Convert to fraction form
    8,384.37/11,569.75 = 4,847.80/x
  3. Step 3: Cross multiply
    8,384.37x = 11,569.75 × 4,847.80
  4. Step 4: Simplify right side
    8,384.37x = 56,087,834.05
  5. Step 5: Solve for x
    x = 56,087,834.05/8,384.37
  6. Step 6: Final answer
    x = 6,689.57

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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.