Home / 9,426.58-13,008.53-5,177.79

Finding the Fourth Proportional to 9,426.58, 13,008.53 and 5,177.79

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Solution

The fourth proportional to 9,426.58, 13,008.53 and 5,177.79 is: 7,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.58 : 13,008.53 = 5,177.79 : x
  2. Step 2: Convert to fraction form
    9,426.58/13,008.53 = 5,177.79/x
  3. Step 3: Cross multiply
    9,426.58x = 13,008.53 × 5,177.79
  4. Step 4: Simplify right side
    9,426.58x = 67,355,449.49
  5. Step 5: Solve for x
    x = 67,355,449.49/9,426.58
  6. Step 6: Final answer
    x = 7,145.27

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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.