Home / 6,555.99-9,045.66-4,005.09

Finding the Fourth Proportional to 6,555.99, 9,045.66 and 4,005.09

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Solution

The fourth proportional to 6,555.99, 9,045.66 and 4,005.09 is: 5,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.99 : 9,045.66 = 4,005.09 : x
  2. Step 2: Convert to fraction form
    6,555.99/9,045.66 = 4,005.09/x
  3. Step 3: Cross multiply
    6,555.99x = 9,045.66 × 4,005.09
  4. Step 4: Simplify right side
    6,555.99x = 36,228,682.41
  5. Step 5: Solve for x
    x = 36,228,682.41/6,555.99
  6. Step 6: Final answer
    x = 5,526.04

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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.