Home / 6,311.40-9,457.38-2,612.94

Finding the Fourth Proportional to 6,311.40, 9,457.38 and 2,612.94

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Solution

The fourth proportional to 6,311.40, 9,457.38 and 2,612.94 is: 3,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.40 : 9,457.38 = 2,612.94 : x
  2. Step 2: Convert to fraction form
    6,311.40/9,457.38 = 2,612.94/x
  3. Step 3: Cross multiply
    6,311.40x = 9,457.38 × 2,612.94
  4. Step 4: Simplify right side
    6,311.40x = 24,711,566.50
  5. Step 5: Solve for x
    x = 24,711,566.50/6,311.40
  6. Step 6: Final answer
    x = 3,915.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.