Home / 4,238.93-6,358.76-1,118.91

Finding the Fourth Proportional to 4,238.93, 6,358.76 and 1,118.91

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Solution

The fourth proportional to 4,238.93, 6,358.76 and 1,118.91 is: 1,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.93 : 6,358.76 = 1,118.91 : x
  2. Step 2: Convert to fraction form
    4,238.93/6,358.76 = 1,118.91/x
  3. Step 3: Cross multiply
    4,238.93x = 6,358.76 × 1,118.91
  4. Step 4: Simplify right side
    4,238.93x = 7,114,880.15
  5. Step 5: Solve for x
    x = 7,114,880.15/4,238.93
  6. Step 6: Final answer
    x = 1,678.46

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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.