Home / 5,639.66-8,459.08-2,519.94

Finding the Fourth Proportional to 5,639.66, 8,459.08 and 2,519.94

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Solution

The fourth proportional to 5,639.66, 8,459.08 and 2,519.94 is: 3,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.66 : 8,459.08 = 2,519.94 : x
  2. Step 2: Convert to fraction form
    5,639.66/8,459.08 = 2,519.94/x
  3. Step 3: Cross multiply
    5,639.66x = 8,459.08 × 2,519.94
  4. Step 4: Simplify right side
    5,639.66x = 21,316,374.06
  5. Step 5: Solve for x
    x = 21,316,374.06/5,639.66
  6. Step 6: Final answer
    x = 3,779.73

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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.