Home / 3,865.13-5,798.61-3,077.47

Finding the Fourth Proportional to 3,865.13, 5,798.61 and 3,077.47

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Solution

The fourth proportional to 3,865.13, 5,798.61 and 3,077.47 is: 4,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.13 : 5,798.61 = 3,077.47 : x
  2. Step 2: Convert to fraction form
    3,865.13/5,798.61 = 3,077.47/x
  3. Step 3: Cross multiply
    3,865.13x = 5,798.61 × 3,077.47
  4. Step 4: Simplify right side
    3,865.13x = 17,845,033.82
  5. Step 5: Solve for x
    x = 17,845,033.82/3,865.13
  6. Step 6: Final answer
    x = 4,616.93

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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.