Home / 6,719.84-10,080.72-2,823.20

Finding the Fourth Proportional to 6,719.84, 10,080.72 and 2,823.20

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Solution

The fourth proportional to 6,719.84, 10,080.72 and 2,823.20 is: 4,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.84 : 10,080.72 = 2,823.20 : x
  2. Step 2: Convert to fraction form
    6,719.84/10,080.72 = 2,823.20/x
  3. Step 3: Cross multiply
    6,719.84x = 10,080.72 × 2,823.20
  4. Step 4: Simplify right side
    6,719.84x = 28,459,888.70
  5. Step 5: Solve for x
    x = 28,459,888.70/6,719.84
  6. Step 6: Final answer
    x = 4,235.20

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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.