Home / 4,878.30-7,316.88-1,954.44

Finding the Fourth Proportional to 4,878.30, 7,316.88 and 1,954.44

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Solution

The fourth proportional to 4,878.30, 7,316.88 and 1,954.44 is: 2,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.30 : 7,316.88 = 1,954.44 : x
  2. Step 2: Convert to fraction form
    4,878.30/7,316.88 = 1,954.44/x
  3. Step 3: Cross multiply
    4,878.30x = 7,316.88 × 1,954.44
  4. Step 4: Simplify right side
    4,878.30x = 14,300,402.95
  5. Step 5: Solve for x
    x = 14,300,402.95/4,878.30
  6. Step 6: Final answer
    x = 2,931.43

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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.