Home / 5,639.60-8,460.23-1,744.31

Finding the Fourth Proportional to 5,639.60, 8,460.23 and 1,744.31

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Solution

The fourth proportional to 5,639.60, 8,460.23 and 1,744.31 is: 2,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.60 : 8,460.23 = 1,744.31 : x
  2. Step 2: Convert to fraction form
    5,639.60/8,460.23 = 1,744.31/x
  3. Step 3: Cross multiply
    5,639.60x = 8,460.23 × 1,744.31
  4. Step 4: Simplify right side
    5,639.60x = 14,757,276.22
  5. Step 5: Solve for x
    x = 14,757,276.22/5,639.60
  6. Step 6: Final answer
    x = 2,616.72

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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.