Home / 6,420.06-9,632.52-2,956.50

Finding the Fourth Proportional to 6,420.06, 9,632.52 and 2,956.50

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Solution

The fourth proportional to 6,420.06, 9,632.52 and 2,956.50 is: 4,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.06 : 9,632.52 = 2,956.50 : x
  2. Step 2: Convert to fraction form
    6,420.06/9,632.52 = 2,956.50/x
  3. Step 3: Cross multiply
    6,420.06x = 9,632.52 × 2,956.50
  4. Step 4: Simplify right side
    6,420.06x = 28,478,545.38
  5. Step 5: Solve for x
    x = 28,478,545.38/6,420.06
  6. Step 6: Final answer
    x = 4,435.87

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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.