Home / 7,018.16-9,684.70-4,031.88

Finding the Fourth Proportional to 7,018.16, 9,684.70 and 4,031.88

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Solution

The fourth proportional to 7,018.16, 9,684.70 and 4,031.88 is: 5,563.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.16 : 9,684.70 = 4,031.88 : x
  2. Step 2: Convert to fraction form
    7,018.16/9,684.70 = 4,031.88/x
  3. Step 3: Cross multiply
    7,018.16x = 9,684.70 × 4,031.88
  4. Step 4: Simplify right side
    7,018.16x = 39,047,548.24
  5. Step 5: Solve for x
    x = 39,047,548.24/7,018.16
  6. Step 6: Final answer
    x = 5,563.79

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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.