Home / 7,411.15-11,113.48-2,215.81

Finding the Fourth Proportional to 7,411.15, 11,113.48 and 2,215.81

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Solution

The fourth proportional to 7,411.15, 11,113.48 and 2,215.81 is: 3,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.15 : 11,113.48 = 2,215.81 : x
  2. Step 2: Convert to fraction form
    7,411.15/11,113.48 = 2,215.81/x
  3. Step 3: Cross multiply
    7,411.15x = 11,113.48 × 2,215.81
  4. Step 4: Simplify right side
    7,411.15x = 24,625,360.12
  5. Step 5: Solve for x
    x = 24,625,360.12/7,411.15
  6. Step 6: Final answer
    x = 3,322.74

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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.