Home / 9,320.31-13,985.01-3,777.62

Finding the Fourth Proportional to 9,320.31, 13,985.01 and 3,777.62

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Solution

The fourth proportional to 9,320.31, 13,985.01 and 3,777.62 is: 5,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.31 : 13,985.01 = 3,777.62 : x
  2. Step 2: Convert to fraction form
    9,320.31/13,985.01 = 3,777.62/x
  3. Step 3: Cross multiply
    9,320.31x = 13,985.01 × 3,777.62
  4. Step 4: Simplify right side
    9,320.31x = 52,829,983.55
  5. Step 5: Solve for x
    x = 52,829,983.55/9,320.31
  6. Step 6: Final answer
    x = 5,668.26

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1.5x scale

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.