Home / 9,479.77-14,220.56-2,904.80

Finding the Fourth Proportional to 9,479.77, 14,220.56 and 2,904.80

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Solution

The fourth proportional to 9,479.77, 14,220.56 and 2,904.80 is: 4,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.77 : 14,220.56 = 2,904.80 : x
  2. Step 2: Convert to fraction form
    9,479.77/14,220.56 = 2,904.80/x
  3. Step 3: Cross multiply
    9,479.77x = 14,220.56 × 2,904.80
  4. Step 4: Simplify right side
    9,479.77x = 41,307,818.85
  5. Step 5: Solve for x
    x = 41,307,818.85/9,479.77
  6. Step 6: Final answer
    x = 4,357.47

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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.