Home / 5,343.09-7,373.48-2,985.32

Finding the Fourth Proportional to 5,343.09, 7,373.48 and 2,985.32

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Solution

The fourth proportional to 5,343.09, 7,373.48 and 2,985.32 is: 4,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.09 : 7,373.48 = 2,985.32 : x
  2. Step 2: Convert to fraction form
    5,343.09/7,373.48 = 2,985.32/x
  3. Step 3: Cross multiply
    5,343.09x = 7,373.48 × 2,985.32
  4. Step 4: Simplify right side
    5,343.09x = 22,012,145.52
  5. Step 5: Solve for x
    x = 22,012,145.52/5,343.09
  6. Step 6: Final answer
    x = 4,119.74

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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.