Home / 6,345.07-9,520.31-2,648.12

Finding the Fourth Proportional to 6,345.07, 9,520.31 and 2,648.12

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Solution

The fourth proportional to 6,345.07, 9,520.31 and 2,648.12 is: 3,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.07 : 9,520.31 = 2,648.12 : x
  2. Step 2: Convert to fraction form
    6,345.07/9,520.31 = 2,648.12/x
  3. Step 3: Cross multiply
    6,345.07x = 9,520.31 × 2,648.12
  4. Step 4: Simplify right side
    6,345.07x = 25,210,882.34
  5. Step 5: Solve for x
    x = 25,210,882.34/6,345.07
  6. Step 6: Final answer
    x = 3,973.30

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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.