Home / 4,867.04-6,719.28-3,215.84

Finding the Fourth Proportional to 4,867.04, 6,719.28 and 3,215.84

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Solution

The fourth proportional to 4,867.04, 6,719.28 and 3,215.84 is: 4,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.04 : 6,719.28 = 3,215.84 : x
  2. Step 2: Convert to fraction form
    4,867.04/6,719.28 = 3,215.84/x
  3. Step 3: Cross multiply
    4,867.04x = 6,719.28 × 3,215.84
  4. Step 4: Simplify right side
    4,867.04x = 21,608,129.40
  5. Step 5: Solve for x
    x = 21,608,129.40/4,867.04
  6. Step 6: Final answer
    x = 4,439.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.