Home / 4,238.52-6,358.88-1,316.88

Finding the Fourth Proportional to 4,238.52, 6,358.88 and 1,316.88

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Solution

The fourth proportional to 4,238.52, 6,358.88 and 1,316.88 is: 1,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.52 : 6,358.88 = 1,316.88 : x
  2. Step 2: Convert to fraction form
    4,238.52/6,358.88 = 1,316.88/x
  3. Step 3: Cross multiply
    4,238.52x = 6,358.88 × 1,316.88
  4. Step 4: Simplify right side
    4,238.52x = 8,373,881.89
  5. Step 5: Solve for x
    x = 8,373,881.89/4,238.52
  6. Step 6: Final answer
    x = 1,975.66

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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.