Home / 4,215.12-6,323.64-2,984.88

Finding the Fourth Proportional to 4,215.12, 6,323.64 and 2,984.88

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Solution

The fourth proportional to 4,215.12, 6,323.64 and 2,984.88 is: 4,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.12 : 6,323.64 = 2,984.88 : x
  2. Step 2: Convert to fraction form
    4,215.12/6,323.64 = 2,984.88/x
  3. Step 3: Cross multiply
    4,215.12x = 6,323.64 × 2,984.88
  4. Step 4: Simplify right side
    4,215.12x = 18,875,306.56
  5. Step 5: Solve for x
    x = 18,875,306.56/4,215.12
  6. Step 6: Final answer
    x = 4,478.00

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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.