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Finding the Fourth Proportional to 5,780.07, 8,670.13 and 1,397.52

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Solution

The fourth proportional to 5,780.07, 8,670.13 and 1,397.52 is: 2,096.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.07 : 8,670.13 = 1,397.52 : x
  2. Step 2: Convert to fraction form
    5,780.07/8,670.13 = 1,397.52/x
  3. Step 3: Cross multiply
    5,780.07x = 8,670.13 × 1,397.52
  4. Step 4: Simplify right side
    5,780.07x = 12,116,676.58
  5. Step 5: Solve for x
    x = 12,116,676.58/5,780.07
  6. Step 6: Final answer
    x = 2,096.29

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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.