Home / 9,480.97-14,228.72-4,290.49

Finding the Fourth Proportional to 9,480.97, 14,228.72 and 4,290.49

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Solution

The fourth proportional to 9,480.97, 14,228.72 and 4,290.49 is: 6,439.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.97 : 14,228.72 = 4,290.49 : x
  2. Step 2: Convert to fraction form
    9,480.97/14,228.72 = 4,290.49/x
  3. Step 3: Cross multiply
    9,480.97x = 14,228.72 × 4,290.49
  4. Step 4: Simplify right side
    9,480.97x = 61,048,159.42
  5. Step 5: Solve for x
    x = 61,048,159.42/9,480.97
  6. Step 6: Final answer
    x = 6,439.02

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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.