Home / 8,131.04-11,210.64-6,637.44

Finding the Fourth Proportional to 8,131.04, 11,210.64 and 6,637.44

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Solution

The fourth proportional to 8,131.04, 11,210.64 and 6,637.44 is: 9,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.04 : 11,210.64 = 6,637.44 : x
  2. Step 2: Convert to fraction form
    8,131.04/11,210.64 = 6,637.44/x
  3. Step 3: Cross multiply
    8,131.04x = 11,210.64 × 6,637.44
  4. Step 4: Simplify right side
    8,131.04x = 74,409,950.36
  5. Step 5: Solve for x
    x = 74,409,950.36/8,131.04
  6. Step 6: Final answer
    x = 9,151.34

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Half scale
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Double scale
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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.