Home / 7,666.91-10,579.95-4,309.86

Finding the Fourth Proportional to 7,666.91, 10,579.95 and 4,309.86

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Solution

The fourth proportional to 7,666.91, 10,579.95 and 4,309.86 is: 5,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.91 : 10,579.95 = 4,309.86 : x
  2. Step 2: Convert to fraction form
    7,666.91/10,579.95 = 4,309.86/x
  3. Step 3: Cross multiply
    7,666.91x = 10,579.95 × 4,309.86
  4. Step 4: Simplify right side
    7,666.91x = 45,598,103.31
  5. Step 5: Solve for x
    x = 45,598,103.31/7,666.91
  6. Step 6: Final answer
    x = 5,947.39

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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.