Home / 4,925.28-7,381.44-2,618.40

Finding the Fourth Proportional to 4,925.28, 7,381.44 and 2,618.40

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Solution

The fourth proportional to 4,925.28, 7,381.44 and 2,618.40 is: 3,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.28 : 7,381.44 = 2,618.40 : x
  2. Step 2: Convert to fraction form
    4,925.28/7,381.44 = 2,618.40/x
  3. Step 3: Cross multiply
    4,925.28x = 7,381.44 × 2,618.40
  4. Step 4: Simplify right side
    4,925.28x = 19,327,562.50
  5. Step 5: Solve for x
    x = 19,327,562.50/4,925.28
  6. Step 6: Final answer
    x = 3,924.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.