Home / 8,005.56-12,010.08-2,459.36

Finding the Fourth Proportional to 8,005.56, 12,010.08 and 2,459.36

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Solution

The fourth proportional to 8,005.56, 12,010.08 and 2,459.36 is: 3,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.56 : 12,010.08 = 2,459.36 : x
  2. Step 2: Convert to fraction form
    8,005.56/12,010.08 = 2,459.36/x
  3. Step 3: Cross multiply
    8,005.56x = 12,010.08 × 2,459.36
  4. Step 4: Simplify right side
    8,005.56x = 29,537,050.30
  5. Step 5: Solve for x
    x = 29,537,050.30/8,005.56
  6. Step 6: Final answer
    x = 3,689.57

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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.