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Finding the Fourth Proportional to 5,703.71, 8,514.29 and 4,928.69

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Solution

The fourth proportional to 5,703.71, 8,514.29 and 4,928.69 is: 7,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.71 : 8,514.29 = 4,928.69 : x
  2. Step 2: Convert to fraction form
    5,703.71/8,514.29 = 4,928.69/x
  3. Step 3: Cross multiply
    5,703.71x = 8,514.29 × 4,928.69
  4. Step 4: Simplify right side
    5,703.71x = 41,964,228.77
  5. Step 5: Solve for x
    x = 41,964,228.77/5,703.71
  6. Step 6: Final answer
    x = 7,357.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.