Home / 4,686.26-7,029.78-1,223.50

Finding the Fourth Proportional to 4,686.26, 7,029.78 and 1,223.50

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Solution

The fourth proportional to 4,686.26, 7,029.78 and 1,223.50 is: 1,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.26 : 7,029.78 = 1,223.50 : x
  2. Step 2: Convert to fraction form
    4,686.26/7,029.78 = 1,223.50/x
  3. Step 3: Cross multiply
    4,686.26x = 7,029.78 × 1,223.50
  4. Step 4: Simplify right side
    4,686.26x = 8,600,935.83
  5. Step 5: Solve for x
    x = 8,600,935.83/4,686.26
  6. Step 6: Final answer
    x = 1,835.35

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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.