Home / 7,347.25-10,139.44-4,160.50

Finding the Fourth Proportional to 7,347.25, 10,139.44 and 4,160.50

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Solution

The fourth proportional to 7,347.25, 10,139.44 and 4,160.50 is: 5,741.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.25 : 10,139.44 = 4,160.50 : x
  2. Step 2: Convert to fraction form
    7,347.25/10,139.44 = 4,160.50/x
  3. Step 3: Cross multiply
    7,347.25x = 10,139.44 × 4,160.50
  4. Step 4: Simplify right side
    7,347.25x = 42,185,140.12
  5. Step 5: Solve for x
    x = 42,185,140.12/7,347.25
  6. Step 6: Final answer
    x = 5,741.62

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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.