Home / 4,742.15-7,077.16-4,216.69

Finding the Fourth Proportional to 4,742.15, 7,077.16 and 4,216.69

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Solution

The fourth proportional to 4,742.15, 7,077.16 and 4,216.69 is: 6,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.15 : 7,077.16 = 4,216.69 : x
  2. Step 2: Convert to fraction form
    4,742.15/7,077.16 = 4,216.69/x
  3. Step 3: Cross multiply
    4,742.15x = 7,077.16 × 4,216.69
  4. Step 4: Simplify right side
    4,742.15x = 29,842,189.80
  5. Step 5: Solve for x
    x = 29,842,189.80/4,742.15
  6. Step 6: Final answer
    x = 6,292.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.