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Finding the Fourth Proportional to 6,658.35, 9,980.24 and 4,704.63

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Solution

The fourth proportional to 6,658.35, 9,980.24 and 4,704.63 is: 7,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.35 : 9,980.24 = 4,704.63 : x
  2. Step 2: Convert to fraction form
    6,658.35/9,980.24 = 4,704.63/x
  3. Step 3: Cross multiply
    6,658.35x = 9,980.24 × 4,704.63
  4. Step 4: Simplify right side
    6,658.35x = 46,953,312.99
  5. Step 5: Solve for x
    x = 46,953,312.99/6,658.35
  6. Step 6: Final answer
    x = 7,051.79

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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.