Home / 6,864.32-9,472.74-3,720.52

Finding the Fourth Proportional to 6,864.32, 9,472.74 and 3,720.52

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Solution

The fourth proportional to 6,864.32, 9,472.74 and 3,720.52 is: 5,134.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.32 : 9,472.74 = 3,720.52 : x
  2. Step 2: Convert to fraction form
    6,864.32/9,472.74 = 3,720.52/x
  3. Step 3: Cross multiply
    6,864.32x = 9,472.74 × 3,720.52
  4. Step 4: Simplify right side
    6,864.32x = 35,243,518.62
  5. Step 5: Solve for x
    x = 35,243,518.62/6,864.32
  6. Step 6: Final answer
    x = 5,134.31

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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.