Home / 5,270.22-7,256.78-4,603.16

Finding the Fourth Proportional to 5,270.22, 7,256.78 and 4,603.16

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Solution

The fourth proportional to 5,270.22, 7,256.78 and 4,603.16 is: 6,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.22 : 7,256.78 = 4,603.16 : x
  2. Step 2: Convert to fraction form
    5,270.22/7,256.78 = 4,603.16/x
  3. Step 3: Cross multiply
    5,270.22x = 7,256.78 × 4,603.16
  4. Step 4: Simplify right side
    5,270.22x = 33,404,119.42
  5. Step 5: Solve for x
    x = 33,404,119.42/5,270.22
  6. Step 6: Final answer
    x = 6,338.28

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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.