Home / 7,934.44-11,888.67-4,815.40

Finding the Fourth Proportional to 7,934.44, 11,888.67 and 4,815.40

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Solution

The fourth proportional to 7,934.44, 11,888.67 and 4,815.40 is: 7,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.44 : 11,888.67 = 4,815.40 : x
  2. Step 2: Convert to fraction form
    7,934.44/11,888.67 = 4,815.40/x
  3. Step 3: Cross multiply
    7,934.44x = 11,888.67 × 4,815.40
  4. Step 4: Simplify right side
    7,934.44x = 57,248,701.52
  5. Step 5: Solve for x
    x = 57,248,701.52/7,934.44
  6. Step 6: Final answer
    x = 7,215.22

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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.