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Finding the Fourth Proportional to 7,051.59, 9,730.53 and 3,907.71

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Solution

The fourth proportional to 7,051.59, 9,730.53 and 3,907.71 is: 5,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.59 : 9,730.53 = 3,907.71 : x
  2. Step 2: Convert to fraction form
    7,051.59/9,730.53 = 3,907.71/x
  3. Step 3: Cross multiply
    7,051.59x = 9,730.53 × 3,907.71
  4. Step 4: Simplify right side
    7,051.59x = 38,024,089.39
  5. Step 5: Solve for x
    x = 38,024,089.39/7,051.59
  6. Step 6: Final answer
    x = 5,392.27

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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.