Home / 8,216.88-11,332.08-6,536.40

Finding the Fourth Proportional to 8,216.88, 11,332.08 and 6,536.40

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Solution

The fourth proportional to 8,216.88, 11,332.08 and 6,536.40 is: 9,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.88 : 11,332.08 = 6,536.40 : x
  2. Step 2: Convert to fraction form
    8,216.88/11,332.08 = 6,536.40/x
  3. Step 3: Cross multiply
    8,216.88x = 11,332.08 × 6,536.40
  4. Step 4: Simplify right side
    8,216.88x = 74,071,007.71
  5. Step 5: Solve for x
    x = 74,071,007.71/8,216.88
  6. Step 6: Final answer
    x = 9,014.49

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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.