Home / 4,720.28-6,512.40-2,624.40

Finding the Fourth Proportional to 4,720.28, 6,512.40 and 2,624.40

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Solution

The fourth proportional to 4,720.28, 6,512.40 and 2,624.40 is: 3,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.28 : 6,512.40 = 2,624.40 : x
  2. Step 2: Convert to fraction form
    4,720.28/6,512.40 = 2,624.40/x
  3. Step 3: Cross multiply
    4,720.28x = 6,512.40 × 2,624.40
  4. Step 4: Simplify right side
    4,720.28x = 17,091,142.56
  5. Step 5: Solve for x
    x = 17,091,142.56/4,720.28
  6. Step 6: Final answer
    x = 3,620.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.