Home / 7,814.36-10,772.60-5,572.36

Finding the Fourth Proportional to 7,814.36, 10,772.60 and 5,572.36

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Solution

The fourth proportional to 7,814.36, 10,772.60 and 5,572.36 is: 7,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.36 : 10,772.60 = 5,572.36 : x
  2. Step 2: Convert to fraction form
    7,814.36/10,772.60 = 5,572.36/x
  3. Step 3: Cross multiply
    7,814.36x = 10,772.60 × 5,572.36
  4. Step 4: Simplify right side
    7,814.36x = 60,028,805.34
  5. Step 5: Solve for x
    x = 60,028,805.34/7,814.36
  6. Step 6: Final answer
    x = 7,681.86

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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.