Home / 7,962.69-10,985.58-4,776.06

Finding the Fourth Proportional to 7,962.69, 10,985.58 and 4,776.06

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Solution

The fourth proportional to 7,962.69, 10,985.58 and 4,776.06 is: 6,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.69 : 10,985.58 = 4,776.06 : x
  2. Step 2: Convert to fraction form
    7,962.69/10,985.58 = 4,776.06/x
  3. Step 3: Cross multiply
    7,962.69x = 10,985.58 × 4,776.06
  4. Step 4: Simplify right side
    7,962.69x = 52,467,789.21
  5. Step 5: Solve for x
    x = 52,467,789.21/7,962.69
  6. Step 6: Final answer
    x = 6,589.20

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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.