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Finding the Fourth Proportional to 5,710.86, 8,562.02 and 2,421.86

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Solution

The fourth proportional to 5,710.86, 8,562.02 and 2,421.86 is: 3,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.86 : 8,562.02 = 2,421.86 : x
  2. Step 2: Convert to fraction form
    5,710.86/8,562.02 = 2,421.86/x
  3. Step 3: Cross multiply
    5,710.86x = 8,562.02 × 2,421.86
  4. Step 4: Simplify right side
    5,710.86x = 20,736,013.76
  5. Step 5: Solve for x
    x = 20,736,013.76/5,710.86
  6. Step 6: Final answer
    x = 3,630.98

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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.