Home / 9,328.08-12,872.50-5,079.23

Finding the Fourth Proportional to 9,328.08, 12,872.50 and 5,079.23

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Solution

The fourth proportional to 9,328.08, 12,872.50 and 5,079.23 is: 7,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.08 : 12,872.50 = 5,079.23 : x
  2. Step 2: Convert to fraction form
    9,328.08/12,872.50 = 5,079.23/x
  3. Step 3: Cross multiply
    9,328.08x = 12,872.50 × 5,079.23
  4. Step 4: Simplify right side
    9,328.08x = 65,382,311.11
  5. Step 5: Solve for x
    x = 65,382,311.11/9,328.08
  6. Step 6: Final answer
    x = 7,009.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.