Home / 7,759.34-11,618.35-5,298.96

Finding the Fourth Proportional to 7,759.34, 11,618.35 and 5,298.96

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Solution

The fourth proportional to 7,759.34, 11,618.35 and 5,298.96 is: 7,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.34 : 11,618.35 = 5,298.96 : x
  2. Step 2: Convert to fraction form
    7,759.34/11,618.35 = 5,298.96/x
  3. Step 3: Cross multiply
    7,759.34x = 11,618.35 × 5,298.96
  4. Step 4: Simplify right side
    7,759.34x = 61,565,145.42
  5. Step 5: Solve for x
    x = 61,565,145.42/7,759.34
  6. Step 6: Final answer
    x = 7,934.33

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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.