Home / 7,110.56-10,681.32-6,877.28

Finding the Fourth Proportional to 7,110.56, 10,681.32 and 6,877.28

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Solution

The fourth proportional to 7,110.56, 10,681.32 and 6,877.28 is: 10,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.56 : 10,681.32 = 6,877.28 : x
  2. Step 2: Convert to fraction form
    7,110.56/10,681.32 = 6,877.28/x
  3. Step 3: Cross multiply
    7,110.56x = 10,681.32 × 6,877.28
  4. Step 4: Simplify right side
    7,110.56x = 73,458,428.41
  5. Step 5: Solve for x
    x = 73,458,428.41/7,110.56
  6. Step 6: Final answer
    x = 10,330.89

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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.