Home / 7,319.06-10,100.38-4,088.98

Finding the Fourth Proportional to 7,319.06, 10,100.38 and 4,088.98

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Solution

The fourth proportional to 7,319.06, 10,100.38 and 4,088.98 is: 5,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.06 : 10,100.38 = 4,088.98 : x
  2. Step 2: Convert to fraction form
    7,319.06/10,100.38 = 4,088.98/x
  3. Step 3: Cross multiply
    7,319.06x = 10,100.38 × 4,088.98
  4. Step 4: Simplify right side
    7,319.06x = 41,300,201.31
  5. Step 5: Solve for x
    x = 41,300,201.31/7,319.06
  6. Step 6: Final answer
    x = 5,642.83

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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.