Home / 4,215.18-6,320.70-2,460.84

Finding the Fourth Proportional to 4,215.18, 6,320.70 and 2,460.84

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Solution

The fourth proportional to 4,215.18, 6,320.70 and 2,460.84 is: 3,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.18 : 6,320.70 = 2,460.84 : x
  2. Step 2: Convert to fraction form
    4,215.18/6,320.70 = 2,460.84/x
  3. Step 3: Cross multiply
    4,215.18x = 6,320.70 × 2,460.84
  4. Step 4: Simplify right side
    4,215.18x = 15,554,231.39
  5. Step 5: Solve for x
    x = 15,554,231.39/4,215.18
  6. Step 6: Final answer
    x = 3,690.05

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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.