Home / 4,929.04-7,395.76-2,620

Finding the Fourth Proportional to 4,929.04, 7,395.76 and 2,620

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Solution

The fourth proportional to 4,929.04, 7,395.76 and 2,620 is: 3,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.04 : 7,395.76 = 2,620 : x
  2. Step 2: Convert to fraction form
    4,929.04/7,395.76 = 2,620/x
  3. Step 3: Cross multiply
    4,929.04x = 7,395.76 × 2,620
  4. Step 4: Simplify right side
    4,929.04x = 19,376,891.20
  5. Step 5: Solve for x
    x = 19,376,891.20/4,929.04
  6. Step 6: Final answer
    x = 3,931.17

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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.