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Finding the Fourth Proportional to 7,045.51, 9,722.81 and 3,901.63

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Solution

The fourth proportional to 7,045.51, 9,722.81 and 3,901.63 is: 5,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.51 : 9,722.81 = 3,901.63 : x
  2. Step 2: Convert to fraction form
    7,045.51/9,722.81 = 3,901.63/x
  3. Step 3: Cross multiply
    7,045.51x = 9,722.81 × 3,901.63
  4. Step 4: Simplify right side
    7,045.51x = 37,934,807.18
  5. Step 5: Solve for x
    x = 37,934,807.18/7,045.51
  6. Step 6: Final answer
    x = 5,384.25

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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.