Home / 6,347.16-9,521.46-2,647.32

Finding the Fourth Proportional to 6,347.16, 9,521.46 and 2,647.32

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Solution

The fourth proportional to 6,347.16, 9,521.46 and 2,647.32 is: 3,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.16 : 9,521.46 = 2,647.32 : x
  2. Step 2: Convert to fraction form
    6,347.16/9,521.46 = 2,647.32/x
  3. Step 3: Cross multiply
    6,347.16x = 9,521.46 × 2,647.32
  4. Step 4: Simplify right side
    6,347.16x = 25,206,351.49
  5. Step 5: Solve for x
    x = 25,206,351.49/6,347.16
  6. Step 6: Final answer
    x = 3,971.28

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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.