Home / 6,450.64-8,901.57-4,208.16

Finding the Fourth Proportional to 6,450.64, 8,901.57 and 4,208.16

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Solution

The fourth proportional to 6,450.64, 8,901.57 and 4,208.16 is: 5,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.64 : 8,901.57 = 4,208.16 : x
  2. Step 2: Convert to fraction form
    6,450.64/8,901.57 = 4,208.16/x
  3. Step 3: Cross multiply
    6,450.64x = 8,901.57 × 4,208.16
  4. Step 4: Simplify right side
    6,450.64x = 37,459,230.81
  5. Step 5: Solve for x
    x = 37,459,230.81/6,450.64
  6. Step 6: Final answer
    x = 5,807.06

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Half scale
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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.