Home / 8,943.36-13,417.92-4,326.72

Finding the Fourth Proportional to 8,943.36, 13,417.92 and 4,326.72

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Solution

The fourth proportional to 8,943.36, 13,417.92 and 4,326.72 is: 6,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.36 : 13,417.92 = 4,326.72 : x
  2. Step 2: Convert to fraction form
    8,943.36/13,417.92 = 4,326.72/x
  3. Step 3: Cross multiply
    8,943.36x = 13,417.92 × 4,326.72
  4. Step 4: Simplify right side
    8,943.36x = 58,055,582.82
  5. Step 5: Solve for x
    x = 58,055,582.82/8,943.36
  6. Step 6: Final answer
    x = 6,491.47

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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.