Home / 4,482.15-6,719.31-2,140.98

Finding the Fourth Proportional to 4,482.15, 6,719.31 and 2,140.98

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Solution

The fourth proportional to 4,482.15, 6,719.31 and 2,140.98 is: 3,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.15 : 6,719.31 = 2,140.98 : x
  2. Step 2: Convert to fraction form
    4,482.15/6,719.31 = 2,140.98/x
  3. Step 3: Cross multiply
    4,482.15x = 6,719.31 × 2,140.98
  4. Step 4: Simplify right side
    4,482.15x = 14,385,908.32
  5. Step 5: Solve for x
    x = 14,385,908.32/4,482.15
  6. Step 6: Final answer
    x = 3,209.60

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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.