Home / 4,210.14-6,315.44-1,612.88

Finding the Fourth Proportional to 4,210.14, 6,315.44 and 1,612.88

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Solution

The fourth proportional to 4,210.14, 6,315.44 and 1,612.88 is: 2,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.14 : 6,315.44 = 1,612.88 : x
  2. Step 2: Convert to fraction form
    4,210.14/6,315.44 = 1,612.88/x
  3. Step 3: Cross multiply
    4,210.14x = 6,315.44 × 1,612.88
  4. Step 4: Simplify right side
    4,210.14x = 10,186,007.23
  5. Step 5: Solve for x
    x = 10,186,007.23/4,210.14
  6. Step 6: Final answer
    x = 2,419.40

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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.