Home / 4,686.32-7,029.88-1,913.18

Finding the Fourth Proportional to 4,686.32, 7,029.88 and 1,913.18

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Solution

The fourth proportional to 4,686.32, 7,029.88 and 1,913.18 is: 2,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.32 : 7,029.88 = 1,913.18 : x
  2. Step 2: Convert to fraction form
    4,686.32/7,029.88 = 1,913.18/x
  3. Step 3: Cross multiply
    4,686.32x = 7,029.88 × 1,913.18
  4. Step 4: Simplify right side
    4,686.32x = 13,449,425.82
  5. Step 5: Solve for x
    x = 13,449,425.82/4,686.32
  6. Step 6: Final answer
    x = 2,869.93

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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.