Home / 7,962.72-10,988.96-4,426

Finding the Fourth Proportional to 7,962.72, 10,988.96 and 4,426

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Solution

The fourth proportional to 7,962.72, 10,988.96 and 4,426 is: 6,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.72 : 10,988.96 = 4,426 : x
  2. Step 2: Convert to fraction form
    7,962.72/10,988.96 = 4,426/x
  3. Step 3: Cross multiply
    7,962.72x = 10,988.96 × 4,426
  4. Step 4: Simplify right side
    7,962.72x = 48,637,136.96
  5. Step 5: Solve for x
    x = 48,637,136.96/7,962.72
  6. Step 6: Final answer
    x = 6,108.11

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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.