Home / 8,646.31-12,968.70-2,406.44

Finding the Fourth Proportional to 8,646.31, 12,968.70 and 2,406.44

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Solution

The fourth proportional to 8,646.31, 12,968.70 and 2,406.44 is: 3,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.31 : 12,968.70 = 2,406.44 : x
  2. Step 2: Convert to fraction form
    8,646.31/12,968.70 = 2,406.44/x
  3. Step 3: Cross multiply
    8,646.31x = 12,968.70 × 2,406.44
  4. Step 4: Simplify right side
    8,646.31x = 31,208,421.83
  5. Step 5: Solve for x
    x = 31,208,421.83/8,646.31
  6. Step 6: Final answer
    x = 3,609.45

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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.