Home / 6,390.24-9,565.11-4,629.30

Finding the Fourth Proportional to 6,390.24, 9,565.11 and 4,629.30

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Solution

The fourth proportional to 6,390.24, 9,565.11 and 4,629.30 is: 6,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.24 : 9,565.11 = 4,629.30 : x
  2. Step 2: Convert to fraction form
    6,390.24/9,565.11 = 4,629.30/x
  3. Step 3: Cross multiply
    6,390.24x = 9,565.11 × 4,629.30
  4. Step 4: Simplify right side
    6,390.24x = 44,279,763.72
  5. Step 5: Solve for x
    x = 44,279,763.72/6,390.24
  6. Step 6: Final answer
    x = 6,929.28

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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.