Home / 8,545.08-12,809.79-2,995.40

Finding the Fourth Proportional to 8,545.08, 12,809.79 and 2,995.40

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Solution

The fourth proportional to 8,545.08, 12,809.79 and 2,995.40 is: 4,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.08 : 12,809.79 = 2,995.40 : x
  2. Step 2: Convert to fraction form
    8,545.08/12,809.79 = 2,995.40/x
  3. Step 3: Cross multiply
    8,545.08x = 12,809.79 × 2,995.40
  4. Step 4: Simplify right side
    8,545.08x = 38,370,365.94
  5. Step 5: Solve for x
    x = 38,370,365.94/8,545.08
  6. Step 6: Final answer
    x = 4,490.35

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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.