Home / 5,639.24-8,459.76-1,743.64

Finding the Fourth Proportional to 5,639.24, 8,459.76 and 1,743.64

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Solution

The fourth proportional to 5,639.24, 8,459.76 and 1,743.64 is: 2,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.24 : 8,459.76 = 1,743.64 : x
  2. Step 2: Convert to fraction form
    5,639.24/8,459.76 = 1,743.64/x
  3. Step 3: Cross multiply
    5,639.24x = 8,459.76 × 1,743.64
  4. Step 4: Simplify right side
    5,639.24x = 14,750,775.93
  5. Step 5: Solve for x
    x = 14,750,775.93/5,639.24
  6. Step 6: Final answer
    x = 2,615.74

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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.