Home / 6,869.18-9,485.23-5,108.65

Finding the Fourth Proportional to 6,869.18, 9,485.23 and 5,108.65

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Solution

The fourth proportional to 6,869.18, 9,485.23 and 5,108.65 is: 7,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.18 : 9,485.23 = 5,108.65 : x
  2. Step 2: Convert to fraction form
    6,869.18/9,485.23 = 5,108.65/x
  3. Step 3: Cross multiply
    6,869.18x = 9,485.23 × 5,108.65
  4. Step 4: Simplify right side
    6,869.18x = 48,456,720.24
  5. Step 5: Solve for x
    x = 48,456,720.24/6,869.18
  6. Step 6: Final answer
    x = 7,054.22

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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.