Home / 8,934.84-12,322.80-7,439.04

Finding the Fourth Proportional to 8,934.84, 12,322.80 and 7,439.04

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Solution

The fourth proportional to 8,934.84, 12,322.80 and 7,439.04 is: 10,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.84 : 12,322.80 = 7,439.04 : x
  2. Step 2: Convert to fraction form
    8,934.84/12,322.80 = 7,439.04/x
  3. Step 3: Cross multiply
    8,934.84x = 12,322.80 × 7,439.04
  4. Step 4: Simplify right side
    8,934.84x = 91,669,802.11
  5. Step 5: Solve for x
    x = 91,669,802.11/8,934.84
  6. Step 6: Final answer
    x = 10,259.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.