Home / 6,345.24-9,521.28-3,012.72

Finding the Fourth Proportional to 6,345.24, 9,521.28 and 3,012.72

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Solution

The fourth proportional to 6,345.24, 9,521.28 and 3,012.72 is: 4,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.24 : 9,521.28 = 3,012.72 : x
  2. Step 2: Convert to fraction form
    6,345.24/9,521.28 = 3,012.72/x
  3. Step 3: Cross multiply
    6,345.24x = 9,521.28 × 3,012.72
  4. Step 4: Simplify right side
    6,345.24x = 28,684,950.68
  5. Step 5: Solve for x
    x = 28,684,950.68/6,345.24
  6. Step 6: Final answer
    x = 4,520.70

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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.