Home / 9,778.07-13,492.44-5,529.71

Finding the Fourth Proportional to 9,778.07, 13,492.44 and 5,529.71

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Solution

The fourth proportional to 9,778.07, 13,492.44 and 5,529.71 is: 7,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.07 : 13,492.44 = 5,529.71 : x
  2. Step 2: Convert to fraction form
    9,778.07/13,492.44 = 5,529.71/x
  3. Step 3: Cross multiply
    9,778.07x = 13,492.44 × 5,529.71
  4. Step 4: Simplify right side
    9,778.07x = 74,609,212.93
  5. Step 5: Solve for x
    x = 74,609,212.93/9,778.07
  6. Step 6: Final answer
    x = 7,630.26

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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.