Home / 5,160.47-7,123.08-3,297.47

Finding the Fourth Proportional to 5,160.47, 7,123.08 and 3,297.47

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Solution

The fourth proportional to 5,160.47, 7,123.08 and 3,297.47 is: 4,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.47 : 7,123.08 = 3,297.47 : x
  2. Step 2: Convert to fraction form
    5,160.47/7,123.08 = 3,297.47/x
  3. Step 3: Cross multiply
    5,160.47x = 7,123.08 × 3,297.47
  4. Step 4: Simplify right side
    5,160.47x = 23,488,106.99
  5. Step 5: Solve for x
    x = 23,488,106.99/5,160.47
  6. Step 6: Final answer
    x = 4,551.55

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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.