Home / 4,457.51-6,686.12-2,119.19

Finding the Fourth Proportional to 4,457.51, 6,686.12 and 2,119.19

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Solution

The fourth proportional to 4,457.51, 6,686.12 and 2,119.19 is: 3,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.51 : 6,686.12 = 2,119.19 : x
  2. Step 2: Convert to fraction form
    4,457.51/6,686.12 = 2,119.19/x
  3. Step 3: Cross multiply
    4,457.51x = 6,686.12 × 2,119.19
  4. Step 4: Simplify right side
    4,457.51x = 14,169,180.66
  5. Step 5: Solve for x
    x = 14,169,180.66/4,457.51
  6. Step 6: Final answer
    x = 3,178.72

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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.