Home / 6,141.36-8,459.28-4,812.72

Finding the Fourth Proportional to 6,141.36, 8,459.28 and 4,812.72

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Solution

The fourth proportional to 6,141.36, 8,459.28 and 4,812.72 is: 6,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.36 : 8,459.28 = 4,812.72 : x
  2. Step 2: Convert to fraction form
    6,141.36/8,459.28 = 4,812.72/x
  3. Step 3: Cross multiply
    6,141.36x = 8,459.28 × 4,812.72
  4. Step 4: Simplify right side
    6,141.36x = 40,712,146.04
  5. Step 5: Solve for x
    x = 40,712,146.04/6,141.36
  6. Step 6: Final answer
    x = 6,629.17

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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.