Home / 4,312.76-6,468.08-1,391.08

Finding the Fourth Proportional to 4,312.76, 6,468.08 and 1,391.08

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Solution

The fourth proportional to 4,312.76, 6,468.08 and 1,391.08 is: 2,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.76 : 6,468.08 = 1,391.08 : x
  2. Step 2: Convert to fraction form
    4,312.76/6,468.08 = 1,391.08/x
  3. Step 3: Cross multiply
    4,312.76x = 6,468.08 × 1,391.08
  4. Step 4: Simplify right side
    4,312.76x = 8,997,616.73
  5. Step 5: Solve for x
    x = 8,997,616.73/4,312.76
  6. Step 6: Final answer
    x = 2,086.28

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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.