Home / 7,317.61-10,976.59-2,387.77

Finding the Fourth Proportional to 7,317.61, 10,976.59 and 2,387.77

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Solution

The fourth proportional to 7,317.61, 10,976.59 and 2,387.77 is: 3,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.61 : 10,976.59 = 2,387.77 : x
  2. Step 2: Convert to fraction form
    7,317.61/10,976.59 = 2,387.77/x
  3. Step 3: Cross multiply
    7,317.61x = 10,976.59 × 2,387.77
  4. Step 4: Simplify right side
    7,317.61x = 26,209,547.85
  5. Step 5: Solve for x
    x = 26,209,547.85/7,317.61
  6. Step 6: Final answer
    x = 3,581.71

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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.