Home / 5,487.28-8,235.71-4,863.99

Finding the Fourth Proportional to 5,487.28, 8,235.71 and 4,863.99

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Solution

The fourth proportional to 5,487.28, 8,235.71 and 4,863.99 is: 7,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.28 : 8,235.71 = 4,863.99 : x
  2. Step 2: Convert to fraction form
    5,487.28/8,235.71 = 4,863.99/x
  3. Step 3: Cross multiply
    5,487.28x = 8,235.71 × 4,863.99
  4. Step 4: Simplify right side
    5,487.28x = 40,058,411.08
  5. Step 5: Solve for x
    x = 40,058,411.08/5,487.28
  6. Step 6: Final answer
    x = 7,300.23

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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.