Home / 4,681.56-6,461.84-2,912.11

Finding the Fourth Proportional to 4,681.56, 6,461.84 and 2,912.11

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Solution

The fourth proportional to 4,681.56, 6,461.84 and 2,912.11 is: 4,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.56 : 6,461.84 = 2,912.11 : x
  2. Step 2: Convert to fraction form
    4,681.56/6,461.84 = 2,912.11/x
  3. Step 3: Cross multiply
    4,681.56x = 6,461.84 × 2,912.11
  4. Step 4: Simplify right side
    4,681.56x = 18,817,588.88
  5. Step 5: Solve for x
    x = 18,817,588.88/4,681.56
  6. Step 6: Final answer
    x = 4,019.51

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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.