Home / 4,345.50-6,512.13-1,878.42

Finding the Fourth Proportional to 4,345.50, 6,512.13 and 1,878.42

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Solution

The fourth proportional to 4,345.50, 6,512.13 and 1,878.42 is: 2,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.50 : 6,512.13 = 1,878.42 : x
  2. Step 2: Convert to fraction form
    4,345.50/6,512.13 = 1,878.42/x
  3. Step 3: Cross multiply
    4,345.50x = 6,512.13 × 1,878.42
  4. Step 4: Simplify right side
    4,345.50x = 12,232,515.23
  5. Step 5: Solve for x
    x = 12,232,515.23/4,345.50
  6. Step 6: Final answer
    x = 2,814.98

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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.