Home / 6,143.40-9,205.20-4,904.28

Finding the Fourth Proportional to 6,143.40, 9,205.20 and 4,904.28

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Solution

The fourth proportional to 6,143.40, 9,205.20 and 4,904.28 is: 7,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.40 : 9,205.20 = 4,904.28 : x
  2. Step 2: Convert to fraction form
    6,143.40/9,205.20 = 4,904.28/x
  3. Step 3: Cross multiply
    6,143.40x = 9,205.20 × 4,904.28
  4. Step 4: Simplify right side
    6,143.40x = 45,144,878.26
  5. Step 5: Solve for x
    x = 45,144,878.26/6,143.40
  6. Step 6: Final answer
    x = 7,348.52

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1.5x scale

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.