Home / 4,276.59-6,415.08-1,315.09

Finding the Fourth Proportional to 4,276.59, 6,415.08 and 1,315.09

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Solution

The fourth proportional to 4,276.59, 6,415.08 and 1,315.09 is: 1,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.59 : 6,415.08 = 1,315.09 : x
  2. Step 2: Convert to fraction form
    4,276.59/6,415.08 = 1,315.09/x
  3. Step 3: Cross multiply
    4,276.59x = 6,415.08 × 1,315.09
  4. Step 4: Simplify right side
    4,276.59x = 8,436,407.56
  5. Step 5: Solve for x
    x = 8,436,407.56/4,276.59
  6. Step 6: Final answer
    x = 1,972.69

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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.