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Finding the Fourth Proportional to 6,480.93, 8,931.19 and 4,709.73

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Solution

The fourth proportional to 6,480.93, 8,931.19 and 4,709.73 is: 6,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.93 : 8,931.19 = 4,709.73 : x
  2. Step 2: Convert to fraction form
    6,480.93/8,931.19 = 4,709.73/x
  3. Step 3: Cross multiply
    6,480.93x = 8,931.19 × 4,709.73
  4. Step 4: Simplify right side
    6,480.93x = 42,063,493.48
  5. Step 5: Solve for x
    x = 42,063,493.48/6,480.93
  6. Step 6: Final answer
    x = 6,490.35

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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.