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Finding the Fourth Proportional to 6,407.72, 8,842.98 and 4,833.08

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Solution

The fourth proportional to 6,407.72, 8,842.98 and 4,833.08 is: 6,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.72 : 8,842.98 = 4,833.08 : x
  2. Step 2: Convert to fraction form
    6,407.72/8,842.98 = 4,833.08/x
  3. Step 3: Cross multiply
    6,407.72x = 8,842.98 × 4,833.08
  4. Step 4: Simplify right side
    6,407.72x = 42,738,829.78
  5. Step 5: Solve for x
    x = 42,738,829.78/6,407.72
  6. Step 6: Final answer
    x = 6,669.90

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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.