Home / 7,963.14-10,988.90-4,426.26

Finding the Fourth Proportional to 7,963.14, 10,988.90 and 4,426.26

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Solution

The fourth proportional to 7,963.14, 10,988.90 and 4,426.26 is: 6,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.14 : 10,988.90 = 4,426.26 : x
  2. Step 2: Convert to fraction form
    7,963.14/10,988.90 = 4,426.26/x
  3. Step 3: Cross multiply
    7,963.14x = 10,988.90 × 4,426.26
  4. Step 4: Simplify right side
    7,963.14x = 48,639,728.51
  5. Step 5: Solve for x
    x = 48,639,728.51/7,963.14
  6. Step 6: Final answer
    x = 6,108.11

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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.