Home / 4,428.30-6,642.45-2,354.70

Finding the Fourth Proportional to 4,428.30, 6,642.45 and 2,354.70

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Solution

The fourth proportional to 4,428.30, 6,642.45 and 2,354.70 is: 3,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.30 : 6,642.45 = 2,354.70 : x
  2. Step 2: Convert to fraction form
    4,428.30/6,642.45 = 2,354.70/x
  3. Step 3: Cross multiply
    4,428.30x = 6,642.45 × 2,354.70
  4. Step 4: Simplify right side
    4,428.30x = 15,640,977.02
  5. Step 5: Solve for x
    x = 15,640,977.02/4,428.30
  6. Step 6: Final answer
    x = 3,532.05

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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.