Home / 6,520.63-8,999.89-4,004.06

Finding the Fourth Proportional to 6,520.63, 8,999.89 and 4,004.06

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Solution

The fourth proportional to 6,520.63, 8,999.89 and 4,004.06 is: 5,526.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.63 : 8,999.89 = 4,004.06 : x
  2. Step 2: Convert to fraction form
    6,520.63/8,999.89 = 4,004.06/x
  3. Step 3: Cross multiply
    6,520.63x = 8,999.89 × 4,004.06
  4. Step 4: Simplify right side
    6,520.63x = 36,036,078.29
  5. Step 5: Solve for x
    x = 36,036,078.29/6,520.63
  6. Step 6: Final answer
    x = 5,526.47

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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.