Home / 9,727.43-13,421.41-5,477.63

Finding the Fourth Proportional to 9,727.43, 13,421.41 and 5,477.63

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Solution

The fourth proportional to 9,727.43, 13,421.41 and 5,477.63 is: 7,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,727.43 : 13,421.41 = 5,477.63 : x
  2. Step 2: Convert to fraction form
    9,727.43/13,421.41 = 5,477.63/x
  3. Step 3: Cross multiply
    9,727.43x = 13,421.41 × 5,477.63
  4. Step 4: Simplify right side
    9,727.43x = 73,517,437.26
  5. Step 5: Solve for x
    x = 73,517,437.26/9,727.43
  6. Step 6: Final answer
    x = 7,557.75

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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.