Home / 7,326.90-10,970.91-3,856.86

Finding the Fourth Proportional to 7,326.90, 10,970.91 and 3,856.86

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Solution

The fourth proportional to 7,326.90, 10,970.91 and 3,856.86 is: 5,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.90 : 10,970.91 = 3,856.86 : x
  2. Step 2: Convert to fraction form
    7,326.90/10,970.91 = 3,856.86/x
  3. Step 3: Cross multiply
    7,326.90x = 10,970.91 × 3,856.86
  4. Step 4: Simplify right side
    7,326.90x = 42,313,263.94
  5. Step 5: Solve for x
    x = 42,313,263.94/7,326.90
  6. Step 6: Final answer
    x = 5,775.06

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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.