Home / 6,125.40-9,176.40-4,721.40

Finding the Fourth Proportional to 6,125.40, 9,176.40 and 4,721.40

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Solution

The fourth proportional to 6,125.40, 9,176.40 and 4,721.40 is: 7,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.40 : 9,176.40 = 4,721.40 : x
  2. Step 2: Convert to fraction form
    6,125.40/9,176.40 = 4,721.40/x
  3. Step 3: Cross multiply
    6,125.40x = 9,176.40 × 4,721.40
  4. Step 4: Simplify right side
    6,125.40x = 43,325,454.96
  5. Step 5: Solve for x
    x = 43,325,454.96/6,125.40
  6. Step 6: Final answer
    x = 7,073.08

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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.