Home / 7,479.36-11,219.04-4,187.52

Finding the Fourth Proportional to 7,479.36, 11,219.04 and 4,187.52

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Solution

The fourth proportional to 7,479.36, 11,219.04 and 4,187.52 is: 6,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.36 : 11,219.04 = 4,187.52 : x
  2. Step 2: Convert to fraction form
    7,479.36/11,219.04 = 4,187.52/x
  3. Step 3: Cross multiply
    7,479.36x = 11,219.04 × 4,187.52
  4. Step 4: Simplify right side
    7,479.36x = 46,979,954.38
  5. Step 5: Solve for x
    x = 46,979,954.38/7,479.36
  6. Step 6: Final answer
    x = 6,281.28

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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.