Home / 7,315.77-10,972.51-2,385.39

Finding the Fourth Proportional to 7,315.77, 10,972.51 and 2,385.39

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Solution

The fourth proportional to 7,315.77, 10,972.51 and 2,385.39 is: 3,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.77 : 10,972.51 = 2,385.39 : x
  2. Step 2: Convert to fraction form
    7,315.77/10,972.51 = 2,385.39/x
  3. Step 3: Cross multiply
    7,315.77x = 10,972.51 × 2,385.39
  4. Step 4: Simplify right side
    7,315.77x = 26,173,702.51
  5. Step 5: Solve for x
    x = 26,173,702.51/7,315.77
  6. Step 6: Final answer
    x = 3,577.71

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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.