Home / 7,043.40-9,720.48-4,060.20

Finding the Fourth Proportional to 7,043.40, 9,720.48 and 4,060.20

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Solution

The fourth proportional to 7,043.40, 9,720.48 and 4,060.20 is: 5,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.40 : 9,720.48 = 4,060.20 : x
  2. Step 2: Convert to fraction form
    7,043.40/9,720.48 = 4,060.20/x
  3. Step 3: Cross multiply
    7,043.40x = 9,720.48 × 4,060.20
  4. Step 4: Simplify right side
    7,043.40x = 39,467,092.90
  5. Step 5: Solve for x
    x = 39,467,092.90/7,043.40
  6. Step 6: Final answer
    x = 5,603.41

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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.