Home / 5,421.16-8,112.30-4,693.24

Finding the Fourth Proportional to 5,421.16, 8,112.30 and 4,693.24

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Solution

The fourth proportional to 5,421.16, 8,112.30 and 4,693.24 is: 7,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.16 : 8,112.30 = 4,693.24 : x
  2. Step 2: Convert to fraction form
    5,421.16/8,112.30 = 4,693.24/x
  3. Step 3: Cross multiply
    5,421.16x = 8,112.30 × 4,693.24
  4. Step 4: Simplify right side
    5,421.16x = 38,072,970.85
  5. Step 5: Solve for x
    x = 38,072,970.85/5,421.16
  6. Step 6: Final answer
    x = 7,023.03

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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.