Home / 7,941.42-11,888.73-5,870.70

Finding the Fourth Proportional to 7,941.42, 11,888.73 and 5,870.70

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Solution

The fourth proportional to 7,941.42, 11,888.73 and 5,870.70 is: 8,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.42 : 11,888.73 = 5,870.70 : x
  2. Step 2: Convert to fraction form
    7,941.42/11,888.73 = 5,870.70/x
  3. Step 3: Cross multiply
    7,941.42x = 11,888.73 × 5,870.70
  4. Step 4: Simplify right side
    7,941.42x = 69,795,167.21
  5. Step 5: Solve for x
    x = 69,795,167.21/7,941.42
  6. Step 6: Final answer
    x = 8,788.75

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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.