Home / 5,343.77-7,374.37-2,985.89

Finding the Fourth Proportional to 5,343.77, 7,374.37 and 2,985.89

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Solution

The fourth proportional to 5,343.77, 7,374.37 and 2,985.89 is: 4,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.77 : 7,374.37 = 2,985.89 : x
  2. Step 2: Convert to fraction form
    5,343.77/7,374.37 = 2,985.89/x
  3. Step 3: Cross multiply
    5,343.77x = 7,374.37 × 2,985.89
  4. Step 4: Simplify right side
    5,343.77x = 22,019,013.30
  5. Step 5: Solve for x
    x = 22,019,013.30/5,343.77
  6. Step 6: Final answer
    x = 4,120.51

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1.5x scale

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.