Home / 6,240.72-8,602.29-4,912.68

Finding the Fourth Proportional to 6,240.72, 8,602.29 and 4,912.68

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Solution

The fourth proportional to 6,240.72, 8,602.29 and 4,912.68 is: 6,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.72 : 8,602.29 = 4,912.68 : x
  2. Step 2: Convert to fraction form
    6,240.72/8,602.29 = 4,912.68/x
  3. Step 3: Cross multiply
    6,240.72x = 8,602.29 × 4,912.68
  4. Step 4: Simplify right side
    6,240.72x = 42,260,298.04
  5. Step 5: Solve for x
    x = 42,260,298.04/6,240.72
  6. Step 6: Final answer
    x = 6,771.70

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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.