Home / 5,343.39-8,051.56-4,390.83

Finding the Fourth Proportional to 5,343.39, 8,051.56 and 4,390.83

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Solution

The fourth proportional to 5,343.39, 8,051.56 and 4,390.83 is: 6,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.39 : 8,051.56 = 4,390.83 : x
  2. Step 2: Convert to fraction form
    5,343.39/8,051.56 = 4,390.83/x
  3. Step 3: Cross multiply
    5,343.39x = 8,051.56 × 4,390.83
  4. Step 4: Simplify right side
    5,343.39x = 35,353,020.22
  5. Step 5: Solve for x
    x = 35,353,020.22/5,343.39
  6. Step 6: Final answer
    x = 6,616.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.