Home / 7,421.16-10,236.94-4,903.68

Finding the Fourth Proportional to 7,421.16, 10,236.94 and 4,903.68

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Solution

The fourth proportional to 7,421.16, 10,236.94 and 4,903.68 is: 6,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.16 : 10,236.94 = 4,903.68 : x
  2. Step 2: Convert to fraction form
    7,421.16/10,236.94 = 4,903.68/x
  3. Step 3: Cross multiply
    7,421.16x = 10,236.94 × 4,903.68
  4. Step 4: Simplify right side
    7,421.16x = 50,198,677.94
  5. Step 5: Solve for x
    x = 50,198,677.94/7,421.16
  6. Step 6: Final answer
    x = 6,764.26

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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.