Home / 4,809.20-7,211.88-1,730.48

Finding the Fourth Proportional to 4,809.20, 7,211.88 and 1,730.48

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Solution

The fourth proportional to 4,809.20, 7,211.88 and 1,730.48 is: 2,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.20 : 7,211.88 = 1,730.48 : x
  2. Step 2: Convert to fraction form
    4,809.20/7,211.88 = 1,730.48/x
  3. Step 3: Cross multiply
    4,809.20x = 7,211.88 × 1,730.48
  4. Step 4: Simplify right side
    4,809.20x = 12,480,014.10
  5. Step 5: Solve for x
    x = 12,480,014.10/4,809.20
  6. Step 6: Final answer
    x = 2,595.03

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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.