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Finding the Fourth Proportional to 4,545.99, 6,275.64 and 3,054.99

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Solution

The fourth proportional to 4,545.99, 6,275.64 and 3,054.99 is: 4,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.99 : 6,275.64 = 3,054.99 : x
  2. Step 2: Convert to fraction form
    4,545.99/6,275.64 = 3,054.99/x
  3. Step 3: Cross multiply
    4,545.99x = 6,275.64 × 3,054.99
  4. Step 4: Simplify right side
    4,545.99x = 19,172,017.44
  5. Step 5: Solve for x
    x = 19,172,017.44/4,545.99
  6. Step 6: Final answer
    x = 4,217.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.