Home / 4,642.94-6,407.20-2,518.43

Finding the Fourth Proportional to 4,642.94, 6,407.20 and 2,518.43

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Solution

The fourth proportional to 4,642.94, 6,407.20 and 2,518.43 is: 3,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.94 : 6,407.20 = 2,518.43 : x
  2. Step 2: Convert to fraction form
    4,642.94/6,407.20 = 2,518.43/x
  3. Step 3: Cross multiply
    4,642.94x = 6,407.20 × 2,518.43
  4. Step 4: Simplify right side
    4,642.94x = 16,136,082.84
  5. Step 5: Solve for x
    x = 16,136,082.84/4,642.94
  6. Step 6: Final answer
    x = 3,475.40

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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.