Home / 6,389.50-8,818.32-3,595.54

Finding the Fourth Proportional to 6,389.50, 8,818.32 and 3,595.54

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Solution

The fourth proportional to 6,389.50, 8,818.32 and 3,595.54 is: 4,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.50 : 8,818.32 = 3,595.54 : x
  2. Step 2: Convert to fraction form
    6,389.50/8,818.32 = 3,595.54/x
  3. Step 3: Cross multiply
    6,389.50x = 8,818.32 × 3,595.54
  4. Step 4: Simplify right side
    6,389.50x = 31,706,622.29
  5. Step 5: Solve for x
    x = 31,706,622.29/6,389.50
  6. Step 6: Final answer
    x = 4,962.30

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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.