Home / 7,091.19-9,773.60-5,319.72

Finding the Fourth Proportional to 7,091.19, 9,773.60 and 5,319.72

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Solution

The fourth proportional to 7,091.19, 9,773.60 and 5,319.72 is: 7,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.19 : 9,773.60 = 5,319.72 : x
  2. Step 2: Convert to fraction form
    7,091.19/9,773.60 = 5,319.72/x
  3. Step 3: Cross multiply
    7,091.19x = 9,773.60 × 5,319.72
  4. Step 4: Simplify right side
    7,091.19x = 51,992,788.79
  5. Step 5: Solve for x
    x = 51,992,788.79/7,091.19
  6. Step 6: Final answer
    x = 7,332.03

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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.