Home / 6,222.08-8,586.45-3,389.40

Finding the Fourth Proportional to 6,222.08, 8,586.45 and 3,389.40

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Solution

The fourth proportional to 6,222.08, 8,586.45 and 3,389.40 is: 4,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.08 : 8,586.45 = 3,389.40 : x
  2. Step 2: Convert to fraction form
    6,222.08/8,586.45 = 3,389.40/x
  3. Step 3: Cross multiply
    6,222.08x = 8,586.45 × 3,389.40
  4. Step 4: Simplify right side
    6,222.08x = 29,102,913.63
  5. Step 5: Solve for x
    x = 29,102,913.63/6,222.08
  6. Step 6: Final answer
    x = 4,677.36

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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.