Home / 8,311.23-11,463.63-4,951.45

Finding the Fourth Proportional to 8,311.23, 11,463.63 and 4,951.45

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Solution

The fourth proportional to 8,311.23, 11,463.63 and 4,951.45 is: 6,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.23 : 11,463.63 = 4,951.45 : x
  2. Step 2: Convert to fraction form
    8,311.23/11,463.63 = 4,951.45/x
  3. Step 3: Cross multiply
    8,311.23x = 11,463.63 × 4,951.45
  4. Step 4: Simplify right side
    8,311.23x = 56,761,590.76
  5. Step 5: Solve for x
    x = 56,761,590.76/8,311.23
  6. Step 6: Final answer
    x = 6,829.51

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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.