Home / 5,665.98-7,818.81-3,148.26

Finding the Fourth Proportional to 5,665.98, 7,818.81 and 3,148.26

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Solution

The fourth proportional to 5,665.98, 7,818.81 and 3,148.26 is: 4,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.98 : 7,818.81 = 3,148.26 : x
  2. Step 2: Convert to fraction form
    5,665.98/7,818.81 = 3,148.26/x
  3. Step 3: Cross multiply
    5,665.98x = 7,818.81 × 3,148.26
  4. Step 4: Simplify right side
    5,665.98x = 24,615,646.77
  5. Step 5: Solve for x
    x = 24,615,646.77/5,665.98
  6. Step 6: Final answer
    x = 4,344.46

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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.