Home / 4,686.20-7,029.31-1,223.45

Finding the Fourth Proportional to 4,686.20, 7,029.31 and 1,223.45

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Solution

The fourth proportional to 4,686.20, 7,029.31 and 1,223.45 is: 1,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.20 : 7,029.31 = 1,223.45 : x
  2. Step 2: Convert to fraction form
    4,686.20/7,029.31 = 1,223.45/x
  3. Step 3: Cross multiply
    4,686.20x = 7,029.31 × 1,223.45
  4. Step 4: Simplify right side
    4,686.20x = 8,600,039.31
  5. Step 5: Solve for x
    x = 8,600,039.31/4,686.20
  6. Step 6: Final answer
    x = 1,835.18

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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.