Home / 4,858.16-7,288.20-3,124.40

Finding the Fourth Proportional to 4,858.16, 7,288.20 and 3,124.40

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Solution

The fourth proportional to 4,858.16, 7,288.20 and 3,124.40 is: 4,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858.16 : 7,288.20 = 3,124.40 : x
  2. Step 2: Convert to fraction form
    4,858.16/7,288.20 = 3,124.40/x
  3. Step 3: Cross multiply
    4,858.16x = 7,288.20 × 3,124.40
  4. Step 4: Simplify right side
    4,858.16x = 22,771,252.08
  5. Step 5: Solve for x
    x = 22,771,252.08/4,858.16
  6. Step 6: Final answer
    x = 4,687.22

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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.