Home / 7,317.40-10,976.04-2,934.80

Finding the Fourth Proportional to 7,317.40, 10,976.04 and 2,934.80

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Solution

The fourth proportional to 7,317.40, 10,976.04 and 2,934.80 is: 4,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.40 : 10,976.04 = 2,934.80 : x
  2. Step 2: Convert to fraction form
    7,317.40/10,976.04 = 2,934.80/x
  3. Step 3: Cross multiply
    7,317.40x = 10,976.04 × 2,934.80
  4. Step 4: Simplify right side
    7,317.40x = 32,212,482.19
  5. Step 5: Solve for x
    x = 32,212,482.19/7,317.40
  6. Step 6: Final answer
    x = 4,402.18

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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.