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Finding the Fourth Proportional to 6,503.40, 9,764.70 and 5,044.20

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Solution

The fourth proportional to 6,503.40, 9,764.70 and 5,044.20 is: 7,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.40 : 9,764.70 = 5,044.20 : x
  2. Step 2: Convert to fraction form
    6,503.40/9,764.70 = 5,044.20/x
  3. Step 3: Cross multiply
    6,503.40x = 9,764.70 × 5,044.20
  4. Step 4: Simplify right side
    6,503.40x = 49,255,099.74
  5. Step 5: Solve for x
    x = 49,255,099.74/6,503.40
  6. Step 6: Final answer
    x = 7,573.75

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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.