Home / 6,622.64-9,143.25-4,386.43

Finding the Fourth Proportional to 6,622.64, 9,143.25 and 4,386.43

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Solution

The fourth proportional to 6,622.64, 9,143.25 and 4,386.43 is: 6,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.64 : 9,143.25 = 4,386.43 : x
  2. Step 2: Convert to fraction form
    6,622.64/9,143.25 = 4,386.43/x
  3. Step 3: Cross multiply
    6,622.64x = 9,143.25 × 4,386.43
  4. Step 4: Simplify right side
    6,622.64x = 40,106,203.24
  5. Step 5: Solve for x
    x = 40,106,203.24/6,622.64
  6. Step 6: Final answer
    x = 6,055.93

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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.