Home / 7,666.31-10,579.46-4,309.10

Finding the Fourth Proportional to 7,666.31, 10,579.46 and 4,309.10

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Solution

The fourth proportional to 7,666.31, 10,579.46 and 4,309.10 is: 5,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.31 : 10,579.46 = 4,309.10 : x
  2. Step 2: Convert to fraction form
    7,666.31/10,579.46 = 4,309.10/x
  3. Step 3: Cross multiply
    7,666.31x = 10,579.46 × 4,309.10
  4. Step 4: Simplify right side
    7,666.31x = 45,587,876.64
  5. Step 5: Solve for x
    x = 45,587,876.64/7,666.31
  6. Step 6: Final answer
    x = 5,946.53

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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.