Home / 4,715.58-6,507.78-2,619.68

Finding the Fourth Proportional to 4,715.58, 6,507.78 and 2,619.68

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Solution

The fourth proportional to 4,715.58, 6,507.78 and 2,619.68 is: 3,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.58 : 6,507.78 = 2,619.68 : x
  2. Step 2: Convert to fraction form
    4,715.58/6,507.78 = 2,619.68/x
  3. Step 3: Cross multiply
    4,715.58x = 6,507.78 × 2,619.68
  4. Step 4: Simplify right side
    4,715.58x = 17,048,301.11
  5. Step 5: Solve for x
    x = 17,048,301.11/4,715.58
  6. Step 6: Final answer
    x = 3,615.31

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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.