Home / 7,330.32-10,998.72-3,434.40

Finding the Fourth Proportional to 7,330.32, 10,998.72 and 3,434.40

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Solution

The fourth proportional to 7,330.32, 10,998.72 and 3,434.40 is: 5,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.32 : 10,998.72 = 3,434.40 : x
  2. Step 2: Convert to fraction form
    7,330.32/10,998.72 = 3,434.40/x
  3. Step 3: Cross multiply
    7,330.32x = 10,998.72 × 3,434.40
  4. Step 4: Simplify right side
    7,330.32x = 37,774,003.97
  5. Step 5: Solve for x
    x = 37,774,003.97/7,330.32
  6. Step 6: Final answer
    x = 5,153.12

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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.