Home / 4,341.35-6,515.69-1,878.05

Finding the Fourth Proportional to 4,341.35, 6,515.69 and 1,878.05

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Solution

The fourth proportional to 4,341.35, 6,515.69 and 1,878.05 is: 2,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,341.35 : 6,515.69 = 1,878.05 : x
  2. Step 2: Convert to fraction form
    4,341.35/6,515.69 = 1,878.05/x
  3. Step 3: Cross multiply
    4,341.35x = 6,515.69 × 1,878.05
  4. Step 4: Simplify right side
    4,341.35x = 12,236,791.60
  5. Step 5: Solve for x
    x = 12,236,791.60/4,341.35
  6. Step 6: Final answer
    x = 2,818.66

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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.