Home / 7,666.66-10,579.75-4,309.39

Finding the Fourth Proportional to 7,666.66, 10,579.75 and 4,309.39

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Solution

The fourth proportional to 7,666.66, 10,579.75 and 4,309.39 is: 5,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.66 : 10,579.75 = 4,309.39 : x
  2. Step 2: Convert to fraction form
    7,666.66/10,579.75 = 4,309.39/x
  3. Step 3: Cross multiply
    7,666.66x = 10,579.75 × 4,309.39
  4. Step 4: Simplify right side
    7,666.66x = 45,592,268.85
  5. Step 5: Solve for x
    x = 45,592,268.85/7,666.66
  6. Step 6: Final answer
    x = 5,946.82

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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.