Home / 5,389.04-8,085.52-3,322.40

Finding the Fourth Proportional to 5,389.04, 8,085.52 and 3,322.40

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Solution

The fourth proportional to 5,389.04, 8,085.52 and 3,322.40 is: 4,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.04 : 8,085.52 = 3,322.40 : x
  2. Step 2: Convert to fraction form
    5,389.04/8,085.52 = 3,322.40/x
  3. Step 3: Cross multiply
    5,389.04x = 8,085.52 × 3,322.40
  4. Step 4: Simplify right side
    5,389.04x = 26,863,331.65
  5. Step 5: Solve for x
    x = 26,863,331.65/5,389.04
  6. Step 6: Final answer
    x = 4,984.81

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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.