Home / 4,720.78-7,045.25-4,530.02

Finding the Fourth Proportional to 4,720.78, 7,045.25 and 4,530.02

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Solution

The fourth proportional to 4,720.78, 7,045.25 and 4,530.02 is: 6,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.78 : 7,045.25 = 4,530.02 : x
  2. Step 2: Convert to fraction form
    4,720.78/7,045.25 = 4,530.02/x
  3. Step 3: Cross multiply
    4,720.78x = 7,045.25 × 4,530.02
  4. Step 4: Simplify right side
    4,720.78x = 31,915,123.41
  5. Step 5: Solve for x
    x = 31,915,123.41/4,720.78
  6. Step 6: Final answer
    x = 6,760.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.