Home / 8,206.10-12,307.76-2,658.63

Finding the Fourth Proportional to 8,206.10, 12,307.76 and 2,658.63

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Solution

The fourth proportional to 8,206.10, 12,307.76 and 2,658.63 is: 3,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.10 : 12,307.76 = 2,658.63 : x
  2. Step 2: Convert to fraction form
    8,206.10/12,307.76 = 2,658.63/x
  3. Step 3: Cross multiply
    8,206.10x = 12,307.76 × 2,658.63
  4. Step 4: Simplify right side
    8,206.10x = 32,721,779.97
  5. Step 5: Solve for x
    x = 32,721,779.97/8,206.10
  6. Step 6: Final answer
    x = 3,987.49

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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.