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Finding the Fourth Proportional to 7,701.90, 10,626.03 and 4,909.02

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Solution

The fourth proportional to 7,701.90, 10,626.03 and 4,909.02 is: 6,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.90 : 10,626.03 = 4,909.02 : x
  2. Step 2: Convert to fraction form
    7,701.90/10,626.03 = 4,909.02/x
  3. Step 3: Cross multiply
    7,701.90x = 10,626.03 × 4,909.02
  4. Step 4: Simplify right side
    7,701.90x = 52,163,393.79
  5. Step 5: Solve for x
    x = 52,163,393.79/7,701.90
  6. Step 6: Final answer
    x = 6,772.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.