Home / 4,215.47-6,310.95-2,455.10

Finding the Fourth Proportional to 4,215.47, 6,310.95 and 2,455.10

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Solution

The fourth proportional to 4,215.47, 6,310.95 and 2,455.10 is: 3,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.47 : 6,310.95 = 2,455.10 : x
  2. Step 2: Convert to fraction form
    4,215.47/6,310.95 = 2,455.10/x
  3. Step 3: Cross multiply
    4,215.47x = 6,310.95 × 2,455.10
  4. Step 4: Simplify right side
    4,215.47x = 15,494,013.35
  5. Step 5: Solve for x
    x = 15,494,013.35/4,215.47
  6. Step 6: Final answer
    x = 3,675.51

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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.