Home / 5,421.96-7,482.28-2,937.96

Finding the Fourth Proportional to 5,421.96, 7,482.28 and 2,937.96

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Solution

The fourth proportional to 5,421.96, 7,482.28 and 2,937.96 is: 4,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.96 : 7,482.28 = 2,937.96 : x
  2. Step 2: Convert to fraction form
    5,421.96/7,482.28 = 2,937.96/x
  3. Step 3: Cross multiply
    5,421.96x = 7,482.28 × 2,937.96
  4. Step 4: Simplify right side
    5,421.96x = 21,982,639.35
  5. Step 5: Solve for x
    x = 21,982,639.35/5,421.96
  6. Step 6: Final answer
    x = 4,054.37

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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.