Home / 4,720.52-7,073.40-2,985.50

Finding the Fourth Proportional to 4,720.52, 7,073.40 and 2,985.50

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Solution

The fourth proportional to 4,720.52, 7,073.40 and 2,985.50 is: 4,473.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.52 : 7,073.40 = 2,985.50 : x
  2. Step 2: Convert to fraction form
    4,720.52/7,073.40 = 2,985.50/x
  3. Step 3: Cross multiply
    4,720.52x = 7,073.40 × 2,985.50
  4. Step 4: Simplify right side
    4,720.52x = 21,117,635.70
  5. Step 5: Solve for x
    x = 21,117,635.70/4,720.52
  6. Step 6: Final answer
    x = 4,473.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.