Home / 5,639.64-8,458.02-1,741.92

Finding the Fourth Proportional to 5,639.64, 8,458.02 and 1,741.92

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Solution

The fourth proportional to 5,639.64, 8,458.02 and 1,741.92 is: 2,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.64 : 8,458.02 = 1,741.92 : x
  2. Step 2: Convert to fraction form
    5,639.64/8,458.02 = 1,741.92/x
  3. Step 3: Cross multiply
    5,639.64x = 8,458.02 × 1,741.92
  4. Step 4: Simplify right side
    5,639.64x = 14,733,194.20
  5. Step 5: Solve for x
    x = 14,733,194.20/5,639.64
  6. Step 6: Final answer
    x = 2,612.44

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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.