Home / 6,901.90-10,345.48-2,740.12

Finding the Fourth Proportional to 6,901.90, 10,345.48 and 2,740.12

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Solution

The fourth proportional to 6,901.90, 10,345.48 and 2,740.12 is: 4,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.90 : 10,345.48 = 2,740.12 : x
  2. Step 2: Convert to fraction form
    6,901.90/10,345.48 = 2,740.12/x
  3. Step 3: Cross multiply
    6,901.90x = 10,345.48 × 2,740.12
  4. Step 4: Simplify right side
    6,901.90x = 28,347,856.66
  5. Step 5: Solve for x
    x = 28,347,856.66/6,901.90
  6. Step 6: Final answer
    x = 4,107.25

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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.