Home / 8,307.63-11,466.90-4,907.79

Finding the Fourth Proportional to 8,307.63, 11,466.90 and 4,907.79

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Solution

The fourth proportional to 8,307.63, 11,466.90 and 4,907.79 is: 6,774.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.63 : 11,466.90 = 4,907.79 : x
  2. Step 2: Convert to fraction form
    8,307.63/11,466.90 = 4,907.79/x
  3. Step 3: Cross multiply
    8,307.63x = 11,466.90 × 4,907.79
  4. Step 4: Simplify right side
    8,307.63x = 56,277,137.15
  5. Step 5: Solve for x
    x = 56,277,137.15/8,307.63
  6. Step 6: Final answer
    x = 6,774.15

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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.