Home / 6,438.24-9,656.40-2,545.32

Finding the Fourth Proportional to 6,438.24, 9,656.40 and 2,545.32

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Solution

The fourth proportional to 6,438.24, 9,656.40 and 2,545.32 is: 3,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.24 : 9,656.40 = 2,545.32 : x
  2. Step 2: Convert to fraction form
    6,438.24/9,656.40 = 2,545.32/x
  3. Step 3: Cross multiply
    6,438.24x = 9,656.40 × 2,545.32
  4. Step 4: Simplify right side
    6,438.24x = 24,578,628.05
  5. Step 5: Solve for x
    x = 24,578,628.05/6,438.24
  6. Step 6: Final answer
    x = 3,817.60

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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.