Home / 7,638.80-10,542.52-4,495.28

Finding the Fourth Proportional to 7,638.80, 10,542.52 and 4,495.28

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Solution

The fourth proportional to 7,638.80, 10,542.52 and 4,495.28 is: 6,204.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.80 : 10,542.52 = 4,495.28 : x
  2. Step 2: Convert to fraction form
    7,638.80/10,542.52 = 4,495.28/x
  3. Step 3: Cross multiply
    7,638.80x = 10,542.52 × 4,495.28
  4. Step 4: Simplify right side
    7,638.80x = 47,391,579.31
  5. Step 5: Solve for x
    x = 47,391,579.31/7,638.80
  6. Step 6: Final answer
    x = 6,204.06

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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.