Home / 6,389.70-8,817.57-3,594.66

Finding the Fourth Proportional to 6,389.70, 8,817.57 and 3,594.66

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Solution

The fourth proportional to 6,389.70, 8,817.57 and 3,594.66 is: 4,960.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.70 : 8,817.57 = 3,594.66 : x
  2. Step 2: Convert to fraction form
    6,389.70/8,817.57 = 3,594.66/x
  3. Step 3: Cross multiply
    6,389.70x = 8,817.57 × 3,594.66
  4. Step 4: Simplify right side
    6,389.70x = 31,696,166.18
  5. Step 5: Solve for x
    x = 31,696,166.18/6,389.70
  6. Step 6: Final answer
    x = 4,960.51

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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.