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Finding the Fourth Proportional to 6,480.93, 9,726.21 and 4,818.93

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Solution

The fourth proportional to 6,480.93, 9,726.21 and 4,818.93 is: 7,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.93 : 9,726.21 = 4,818.93 : x
  2. Step 2: Convert to fraction form
    6,480.93/9,726.21 = 4,818.93/x
  3. Step 3: Cross multiply
    6,480.93x = 9,726.21 × 4,818.93
  4. Step 4: Simplify right side
    6,480.93x = 46,869,925.16
  5. Step 5: Solve for x
    x = 46,869,925.16/6,480.93
  6. Step 6: Final answer
    x = 7,231.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.