Home / 4,894.48-7,344.88-3,140.72

Finding the Fourth Proportional to 4,894.48, 7,344.88 and 3,140.72

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Solution

The fourth proportional to 4,894.48, 7,344.88 and 3,140.72 is: 4,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.48 : 7,344.88 = 3,140.72 : x
  2. Step 2: Convert to fraction form
    4,894.48/7,344.88 = 3,140.72/x
  3. Step 3: Cross multiply
    4,894.48x = 7,344.88 × 3,140.72
  4. Step 4: Simplify right side
    4,894.48x = 23,068,211.51
  5. Step 5: Solve for x
    x = 23,068,211.51/4,894.48
  6. Step 6: Final answer
    x = 4,713.11

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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.