Home / 7,609.59-11,397.78-4,679.01

Finding the Fourth Proportional to 7,609.59, 11,397.78 and 4,679.01

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Solution

The fourth proportional to 7,609.59, 11,397.78 and 4,679.01 is: 7,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.59 : 11,397.78 = 4,679.01 : x
  2. Step 2: Convert to fraction form
    7,609.59/11,397.78 = 4,679.01/x
  3. Step 3: Cross multiply
    7,609.59x = 11,397.78 × 4,679.01
  4. Step 4: Simplify right side
    7,609.59x = 53,330,326.60
  5. Step 5: Solve for x
    x = 53,330,326.60/7,609.59
  6. Step 6: Final answer
    x = 7,008.30

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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.