Home / 9,479.28-14,208.90-4,545.78

Finding the Fourth Proportional to 9,479.28, 14,208.90 and 4,545.78

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Solution

The fourth proportional to 9,479.28, 14,208.90 and 4,545.78 is: 6,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.28 : 14,208.90 = 4,545.78 : x
  2. Step 2: Convert to fraction form
    9,479.28/14,208.90 = 4,545.78/x
  3. Step 3: Cross multiply
    9,479.28x = 14,208.90 × 4,545.78
  4. Step 4: Simplify right side
    9,479.28x = 64,590,533.44
  5. Step 5: Solve for x
    x = 64,590,533.44/9,479.28
  6. Step 6: Final answer
    x = 6,813.86

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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.