Home / 5,343.84-7,374.48-2,985.98

Finding the Fourth Proportional to 5,343.84, 7,374.48 and 2,985.98

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Solution

The fourth proportional to 5,343.84, 7,374.48 and 2,985.98 is: 4,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.84 : 7,374.48 = 2,985.98 : x
  2. Step 2: Convert to fraction form
    5,343.84/7,374.48 = 2,985.98/x
  3. Step 3: Cross multiply
    5,343.84x = 7,374.48 × 2,985.98
  4. Step 4: Simplify right side
    5,343.84x = 22,020,079.42
  5. Step 5: Solve for x
    x = 22,020,079.42/5,343.84
  6. Step 6: Final answer
    x = 4,120.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.