Home / 6,312.10-8,710.46-3,479.34

Finding the Fourth Proportional to 6,312.10, 8,710.46 and 3,479.34

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Solution

The fourth proportional to 6,312.10, 8,710.46 and 3,479.34 is: 4,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.10 : 8,710.46 = 3,479.34 : x
  2. Step 2: Convert to fraction form
    6,312.10/8,710.46 = 3,479.34/x
  3. Step 3: Cross multiply
    6,312.10x = 8,710.46 × 3,479.34
  4. Step 4: Simplify right side
    6,312.10x = 30,306,651.90
  5. Step 5: Solve for x
    x = 30,306,651.90/6,312.10
  6. Step 6: Final answer
    x = 4,801.36

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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.