Home / 4,820.20-7,228.02-2,223.40

Finding the Fourth Proportional to 4,820.20, 7,228.02 and 2,223.40

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Solution

The fourth proportional to 4,820.20, 7,228.02 and 2,223.40 is: 3,334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.20 : 7,228.02 = 2,223.40 : x
  2. Step 2: Convert to fraction form
    4,820.20/7,228.02 = 2,223.40/x
  3. Step 3: Cross multiply
    4,820.20x = 7,228.02 × 2,223.40
  4. Step 4: Simplify right side
    4,820.20x = 16,070,779.67
  5. Step 5: Solve for x
    x = 16,070,779.67/4,820.20
  6. Step 6: Final answer
    x = 3,334.05

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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.