Home / 4,545.90-6,271.71-2,974.89

Finding the Fourth Proportional to 4,545.90, 6,271.71 and 2,974.89

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Solution

The fourth proportional to 4,545.90, 6,271.71 and 2,974.89 is: 4,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.90 : 6,271.71 = 2,974.89 : x
  2. Step 2: Convert to fraction form
    4,545.90/6,271.71 = 2,974.89/x
  3. Step 3: Cross multiply
    4,545.90x = 6,271.71 × 2,974.89
  4. Step 4: Simplify right side
    4,545.90x = 18,657,647.36
  5. Step 5: Solve for x
    x = 18,657,647.36/4,545.90
  6. Step 6: Final answer
    x = 4,104.28

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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.