Home / 9,320.20-13,973.64-4,387.30

Finding the Fourth Proportional to 9,320.20, 13,973.64 and 4,387.30

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Solution

The fourth proportional to 9,320.20, 13,973.64 and 4,387.30 is: 6,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.20 : 13,973.64 = 4,387.30 : x
  2. Step 2: Convert to fraction form
    9,320.20/13,973.64 = 4,387.30/x
  3. Step 3: Cross multiply
    9,320.20x = 13,973.64 × 4,387.30
  4. Step 4: Simplify right side
    9,320.20x = 61,306,550.77
  5. Step 5: Solve for x
    x = 61,306,550.77/9,320.20
  6. Step 6: Final answer
    x = 6,577.81

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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.