Home / 6,324.99-8,707.05-5,435.61

Finding the Fourth Proportional to 6,324.99, 8,707.05 and 5,435.61

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Solution

The fourth proportional to 6,324.99, 8,707.05 and 5,435.61 is: 7,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.99 : 8,707.05 = 5,435.61 : x
  2. Step 2: Convert to fraction form
    6,324.99/8,707.05 = 5,435.61/x
  3. Step 3: Cross multiply
    6,324.99x = 8,707.05 × 5,435.61
  4. Step 4: Simplify right side
    6,324.99x = 47,328,128.05
  5. Step 5: Solve for x
    x = 47,328,128.05/6,324.99
  6. Step 6: Final answer
    x = 7,482.72

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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.