Home / 4,210.73-6,312.63-1,678.08

Finding the Fourth Proportional to 4,210.73, 6,312.63 and 1,678.08

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Solution

The fourth proportional to 4,210.73, 6,312.63 and 1,678.08 is: 2,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.73 : 6,312.63 = 1,678.08 : x
  2. Step 2: Convert to fraction form
    4,210.73/6,312.63 = 1,678.08/x
  3. Step 3: Cross multiply
    4,210.73x = 6,312.63 × 1,678.08
  4. Step 4: Simplify right side
    4,210.73x = 10,593,089.76
  5. Step 5: Solve for x
    x = 10,593,089.76/4,210.73
  6. Step 6: Final answer
    x = 2,515.74

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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.