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Finding the Fourth Proportional to 4,726.65, 7,091.01 and 1,440.00

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Solution

The fourth proportional to 4,726.65, 7,091.01 and 1,440.00 is: 2,160.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.65 : 7,091.01 = 1,440.00 : x
  2. Step 2: Convert to fraction form
    4,726.65/7,091.01 = 1,440.00/x
  3. Step 3: Cross multiply
    4,726.65x = 7,091.01 × 1,440.00
  4. Step 4: Simplify right side
    4,726.65x = 10,211,068.27
  5. Step 5: Solve for x
    x = 10,211,068.27/4,726.65
  6. Step 6: Final answer
    x = 2,160.32

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