Home / 7,088.56-10,634.54-3,389.72

Finding the Fourth Proportional to 7,088.56, 10,634.54 and 3,389.72

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Solution

The fourth proportional to 7,088.56, 10,634.54 and 3,389.72 is: 5,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.56 : 10,634.54 = 3,389.72 : x
  2. Step 2: Convert to fraction form
    7,088.56/10,634.54 = 3,389.72/x
  3. Step 3: Cross multiply
    7,088.56x = 10,634.54 × 3,389.72
  4. Step 4: Simplify right side
    7,088.56x = 36,048,112.93
  5. Step 5: Solve for x
    x = 36,048,112.93/7,088.56
  6. Step 6: Final answer
    x = 5,085.39

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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.