Home / 7,537.40-10,400.60-4,180.04

Finding the Fourth Proportional to 7,537.40, 10,400.60 and 4,180.04

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Solution

The fourth proportional to 7,537.40, 10,400.60 and 4,180.04 is: 5,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.40 : 10,400.60 = 4,180.04 : x
  2. Step 2: Convert to fraction form
    7,537.40/10,400.60 = 4,180.04/x
  3. Step 3: Cross multiply
    7,537.40x = 10,400.60 × 4,180.04
  4. Step 4: Simplify right side
    7,537.40x = 43,474,924.02
  5. Step 5: Solve for x
    x = 43,474,924.02/7,537.40
  6. Step 6: Final answer
    x = 5,767.89

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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.