Home / 4,421.02-6,622.20-2,660.50

Finding the Fourth Proportional to 4,421.02, 6,622.20 and 2,660.50

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Solution

The fourth proportional to 4,421.02, 6,622.20 and 2,660.50 is: 3,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.02 : 6,622.20 = 2,660.50 : x
  2. Step 2: Convert to fraction form
    4,421.02/6,622.20 = 2,660.50/x
  3. Step 3: Cross multiply
    4,421.02x = 6,622.20 × 2,660.50
  4. Step 4: Simplify right side
    4,421.02x = 17,618,363.10
  5. Step 5: Solve for x
    x = 17,618,363.10/4,421.02
  6. Step 6: Final answer
    x = 3,985.14

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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.