Home / 7,642.29-10,546.83-4,285.02

Finding the Fourth Proportional to 7,642.29, 10,546.83 and 4,285.02

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Solution

The fourth proportional to 7,642.29, 10,546.83 and 4,285.02 is: 5,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.29 : 10,546.83 = 4,285.02 : x
  2. Step 2: Convert to fraction form
    7,642.29/10,546.83 = 4,285.02/x
  3. Step 3: Cross multiply
    7,642.29x = 10,546.83 × 4,285.02
  4. Step 4: Simplify right side
    7,642.29x = 45,193,377.49
  5. Step 5: Solve for x
    x = 45,193,377.49/7,642.29
  6. Step 6: Final answer
    x = 5,913.59

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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.