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Finding the Fourth Proportional to 9,777.70, 14,668.98 and 4,577.50

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Solution

The fourth proportional to 9,777.70, 14,668.98 and 4,577.50 is: 6,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777.70 : 14,668.98 = 4,577.50 : x
  2. Step 2: Convert to fraction form
    9,777.70/14,668.98 = 4,577.50/x
  3. Step 3: Cross multiply
    9,777.70x = 14,668.98 × 4,577.50
  4. Step 4: Simplify right side
    9,777.70x = 67,147,255.95
  5. Step 5: Solve for x
    x = 67,147,255.95/9,777.70
  6. Step 6: Final answer
    x = 6,867.39

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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.