Home / 4,688.10-6,472.56-2,922.30

Finding the Fourth Proportional to 4,688.10, 6,472.56 and 2,922.30

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Solution

The fourth proportional to 4,688.10, 6,472.56 and 2,922.30 is: 4,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.10 : 6,472.56 = 2,922.30 : x
  2. Step 2: Convert to fraction form
    4,688.10/6,472.56 = 2,922.30/x
  3. Step 3: Cross multiply
    4,688.10x = 6,472.56 × 2,922.30
  4. Step 4: Simplify right side
    4,688.10x = 18,914,762.09
  5. Step 5: Solve for x
    x = 18,914,762.09/4,688.10
  6. Step 6: Final answer
    x = 4,034.63

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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.