Home / 4,679.78-6,457.99-2,555.35

Finding the Fourth Proportional to 4,679.78, 6,457.99 and 2,555.35

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Solution

The fourth proportional to 4,679.78, 6,457.99 and 2,555.35 is: 3,526.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.78 : 6,457.99 = 2,555.35 : x
  2. Step 2: Convert to fraction form
    4,679.78/6,457.99 = 2,555.35/x
  3. Step 3: Cross multiply
    4,679.78x = 6,457.99 × 2,555.35
  4. Step 4: Simplify right side
    4,679.78x = 16,502,424.75
  5. Step 5: Solve for x
    x = 16,502,424.75/4,679.78
  6. Step 6: Final answer
    x = 3,526.33

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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.