Home / 5,330.32-7,355.14-3,091.89

Finding the Fourth Proportional to 5,330.32, 7,355.14 and 3,091.89

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Solution

The fourth proportional to 5,330.32, 7,355.14 and 3,091.89 is: 4,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.32 : 7,355.14 = 3,091.89 : x
  2. Step 2: Convert to fraction form
    5,330.32/7,355.14 = 3,091.89/x
  3. Step 3: Cross multiply
    5,330.32x = 7,355.14 × 3,091.89
  4. Step 4: Simplify right side
    5,330.32x = 22,741,283.81
  5. Step 5: Solve for x
    x = 22,741,283.81/5,330.32
  6. Step 6: Final answer
    x = 4,266.40

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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.