Home / 5,389.92-8,104.32-4,417.92

Finding the Fourth Proportional to 5,389.92, 8,104.32 and 4,417.92

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Solution

The fourth proportional to 5,389.92, 8,104.32 and 4,417.92 is: 6,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.92 : 8,104.32 = 4,417.92 : x
  2. Step 2: Convert to fraction form
    5,389.92/8,104.32 = 4,417.92/x
  3. Step 3: Cross multiply
    5,389.92x = 8,104.32 × 4,417.92
  4. Step 4: Simplify right side
    5,389.92x = 35,804,237.41
  5. Step 5: Solve for x
    x = 35,804,237.41/5,389.92
  6. Step 6: Final answer
    x = 6,642.81

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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.