Home / 9,477.28-14,219.61-3,929.23

Finding the Fourth Proportional to 9,477.28, 14,219.61 and 3,929.23

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Solution

The fourth proportional to 9,477.28, 14,219.61 and 3,929.23 is: 5,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.28 : 14,219.61 = 3,929.23 : x
  2. Step 2: Convert to fraction form
    9,477.28/14,219.61 = 3,929.23/x
  3. Step 3: Cross multiply
    9,477.28x = 14,219.61 × 3,929.23
  4. Step 4: Simplify right side
    9,477.28x = 55,872,118.20
  5. Step 5: Solve for x
    x = 55,872,118.20/9,477.28
  6. Step 6: Final answer
    x = 5,895.37

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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.