Home / 6,315.30-8,714.40-3,662.16

Finding the Fourth Proportional to 6,315.30, 8,714.40 and 3,662.16

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Solution

The fourth proportional to 6,315.30, 8,714.40 and 3,662.16 is: 5,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.30 : 8,714.40 = 3,662.16 : x
  2. Step 2: Convert to fraction form
    6,315.30/8,714.40 = 3,662.16/x
  3. Step 3: Cross multiply
    6,315.30x = 8,714.40 × 3,662.16
  4. Step 4: Simplify right side
    6,315.30x = 31,913,527.10
  5. Step 5: Solve for x
    x = 31,913,527.10/6,315.30
  6. Step 6: Final answer
    x = 5,053.37

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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.