Home / 6,824.16-9,417.26-3,840.02

Finding the Fourth Proportional to 6,824.16, 9,417.26 and 3,840.02

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Solution

The fourth proportional to 6,824.16, 9,417.26 and 3,840.02 is: 5,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.16 : 9,417.26 = 3,840.02 : x
  2. Step 2: Convert to fraction form
    6,824.16/9,417.26 = 3,840.02/x
  3. Step 3: Cross multiply
    6,824.16x = 9,417.26 × 3,840.02
  4. Step 4: Simplify right side
    6,824.16x = 36,162,400.46
  5. Step 5: Solve for x
    x = 36,162,400.46/6,824.16
  6. Step 6: Final answer
    x = 5,299.17

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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.