Home / 9,479.13-14,215.57-4,480.72

Finding the Fourth Proportional to 9,479.13, 14,215.57 and 4,480.72

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Solution

The fourth proportional to 9,479.13, 14,215.57 and 4,480.72 is: 6,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.13 : 14,215.57 = 4,480.72 : x
  2. Step 2: Convert to fraction form
    9,479.13/14,215.57 = 4,480.72/x
  3. Step 3: Cross multiply
    9,479.13x = 14,215.57 × 4,480.72
  4. Step 4: Simplify right side
    9,479.13x = 63,695,942.07
  5. Step 5: Solve for x
    x = 63,695,942.07/9,479.13
  6. Step 6: Final answer
    x = 6,719.60

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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.