Home / 6,129.08-8,455.02-4,005.86

Finding the Fourth Proportional to 6,129.08, 8,455.02 and 4,005.86

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Solution

The fourth proportional to 6,129.08, 8,455.02 and 4,005.86 is: 5,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.08 : 8,455.02 = 4,005.86 : x
  2. Step 2: Convert to fraction form
    6,129.08/8,455.02 = 4,005.86/x
  3. Step 3: Cross multiply
    6,129.08x = 8,455.02 × 4,005.86
  4. Step 4: Simplify right side
    6,129.08x = 33,869,569.12
  5. Step 5: Solve for x
    x = 33,869,569.12/6,129.08
  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.