Home / 7,353.58-11,030.37-5,172.07

Finding the Fourth Proportional to 7,353.58, 11,030.37 and 5,172.07

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Solution

The fourth proportional to 7,353.58, 11,030.37 and 5,172.07 is: 7,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.58 : 11,030.37 = 5,172.07 : x
  2. Step 2: Convert to fraction form
    7,353.58/11,030.37 = 5,172.07/x
  3. Step 3: Cross multiply
    7,353.58x = 11,030.37 × 5,172.07
  4. Step 4: Simplify right side
    7,353.58x = 57,049,845.77
  5. Step 5: Solve for x
    x = 57,049,845.77/7,353.58
  6. Step 6: Final answer
    x = 7,758.11

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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.