Home / 7,664.04-11,491.80-2,981.16

Finding the Fourth Proportional to 7,664.04, 11,491.80 and 2,981.16

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Solution

The fourth proportional to 7,664.04, 11,491.80 and 2,981.16 is: 4,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.04 : 11,491.80 = 2,981.16 : x
  2. Step 2: Convert to fraction form
    7,664.04/11,491.80 = 2,981.16/x
  3. Step 3: Cross multiply
    7,664.04x = 11,491.80 × 2,981.16
  4. Step 4: Simplify right side
    7,664.04x = 34,258,894.49
  5. Step 5: Solve for x
    x = 34,258,894.49/7,664.04
  6. Step 6: Final answer
    x = 4,470.08

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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.