Home / 4,681.45-6,459.26-2,912.10

Finding the Fourth Proportional to 4,681.45, 6,459.26 and 2,912.10

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Solution

The fourth proportional to 4,681.45, 6,459.26 and 2,912.10 is: 4,017.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.45 : 6,459.26 = 2,912.10 : x
  2. Step 2: Convert to fraction form
    4,681.45/6,459.26 = 2,912.10/x
  3. Step 3: Cross multiply
    4,681.45x = 6,459.26 × 2,912.10
  4. Step 4: Simplify right side
    4,681.45x = 18,810,011.05
  5. Step 5: Solve for x
    x = 18,810,011.05/4,681.45
  6. Step 6: Final answer
    x = 4,017.99

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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.