Home / 7,637.09-10,471.68-6,887.84

Finding the Fourth Proportional to 7,637.09, 10,471.68 and 6,887.84

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Solution

The fourth proportional to 7,637.09, 10,471.68 and 6,887.84 is: 9,444.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.09 : 10,471.68 = 6,887.84 : x
  2. Step 2: Convert to fraction form
    7,637.09/10,471.68 = 6,887.84/x
  3. Step 3: Cross multiply
    7,637.09x = 10,471.68 × 6,887.84
  4. Step 4: Simplify right side
    7,637.09x = 72,127,204.01
  5. Step 5: Solve for x
    x = 72,127,204.01/7,637.09
  6. Step 6: Final answer
    x = 9,444.34

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.