Home / 6,031.44-8,315.62-3,903.20

Finding the Fourth Proportional to 6,031.44, 8,315.62 and 3,903.20

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Solution

The fourth proportional to 6,031.44, 8,315.62 and 3,903.20 is: 5,381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,031.44 : 8,315.62 = 3,903.20 : x
  2. Step 2: Convert to fraction form
    6,031.44/8,315.62 = 3,903.20/x
  3. Step 3: Cross multiply
    6,031.44x = 8,315.62 × 3,903.20
  4. Step 4: Simplify right side
    6,031.44x = 32,457,476.65
  5. Step 5: Solve for x
    x = 32,457,476.65/6,031.44
  6. Step 6: Final answer
    x = 5,381.38

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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.