Home / 7,140.33-9,858.24-4,901.49

Finding the Fourth Proportional to 7,140.33, 9,858.24 and 4,901.49

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Solution

The fourth proportional to 7,140.33, 9,858.24 and 4,901.49 is: 6,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.33 : 9,858.24 = 4,901.49 : x
  2. Step 2: Convert to fraction form
    7,140.33/9,858.24 = 4,901.49/x
  3. Step 3: Cross multiply
    7,140.33x = 9,858.24 × 4,901.49
  4. Step 4: Simplify right side
    7,140.33x = 48,320,064.78
  5. Step 5: Solve for x
    x = 48,320,064.78/7,140.33
  6. Step 6: Final answer
    x = 6,767.20

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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.