Home / 6,417.48-9,618.88-2,910.16

Finding the Fourth Proportional to 6,417.48, 9,618.88 and 2,910.16

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Solution

The fourth proportional to 6,417.48, 9,618.88 and 2,910.16 is: 4,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.48 : 9,618.88 = 2,910.16 : x
  2. Step 2: Convert to fraction form
    6,417.48/9,618.88 = 2,910.16/x
  3. Step 3: Cross multiply
    6,417.48x = 9,618.88 × 2,910.16
  4. Step 4: Simplify right side
    6,417.48x = 27,992,479.82
  5. Step 5: Solve for x
    x = 27,992,479.82/6,417.48
  6. Step 6: Final answer
    x = 4,361.91

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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.