Home / 4,545.23-6,272.89-2,778.02

Finding the Fourth Proportional to 4,545.23, 6,272.89 and 2,778.02

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Solution

The fourth proportional to 4,545.23, 6,272.89 and 2,778.02 is: 3,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.23 : 6,272.89 = 2,778.02 : x
  2. Step 2: Convert to fraction form
    4,545.23/6,272.89 = 2,778.02/x
  3. Step 3: Cross multiply
    4,545.23x = 6,272.89 × 2,778.02
  4. Step 4: Simplify right side
    4,545.23x = 17,426,182.51
  5. Step 5: Solve for x
    x = 17,426,182.51/4,545.23
  6. Step 6: Final answer
    x = 3,833.95

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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.