Home / 5,078.72-7,583.75-4,156.08

Finding the Fourth Proportional to 5,078.72, 7,583.75 and 4,156.08

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Solution

The fourth proportional to 5,078.72, 7,583.75 and 4,156.08 is: 6,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.72 : 7,583.75 = 4,156.08 : x
  2. Step 2: Convert to fraction form
    5,078.72/7,583.75 = 4,156.08/x
  3. Step 3: Cross multiply
    5,078.72x = 7,583.75 × 4,156.08
  4. Step 4: Simplify right side
    5,078.72x = 31,518,671.70
  5. Step 5: Solve for x
    x = 31,518,671.70/5,078.72
  6. Step 6: Final answer
    x = 6,206.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.