Home / 7,301.20-10,945.40-6,523.60

Finding the Fourth Proportional to 7,301.20, 10,945.40 and 6,523.60

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Solution

The fourth proportional to 7,301.20, 10,945.40 and 6,523.60 is: 9,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.20 : 10,945.40 = 6,523.60 : x
  2. Step 2: Convert to fraction form
    7,301.20/10,945.40 = 6,523.60/x
  3. Step 3: Cross multiply
    7,301.20x = 10,945.40 × 6,523.60
  4. Step 4: Simplify right side
    7,301.20x = 71,403,411.44
  5. Step 5: Solve for x
    x = 71,403,411.44/7,301.20
  6. Step 6: Final answer
    x = 9,779.68

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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.