Home / 5,665.14-7,818.93-4,420.98

Finding the Fourth Proportional to 5,665.14, 7,818.93 and 4,420.98

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Solution

The fourth proportional to 5,665.14, 7,818.93 and 4,420.98 is: 6,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.14 : 7,818.93 = 4,420.98 : x
  2. Step 2: Convert to fraction form
    5,665.14/7,818.93 = 4,420.98/x
  3. Step 3: Cross multiply
    5,665.14x = 7,818.93 × 4,420.98
  4. Step 4: Simplify right side
    5,665.14x = 34,567,333.15
  5. Step 5: Solve for x
    x = 34,567,333.15/5,665.14
  6. Step 6: Final answer
    x = 6,101.76

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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.