Home / 4,742.97-6,545.93-3,421.05

Finding the Fourth Proportional to 4,742.97, 6,545.93 and 3,421.05

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Solution

The fourth proportional to 4,742.97, 6,545.93 and 3,421.05 is: 4,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.97 : 6,545.93 = 3,421.05 : x
  2. Step 2: Convert to fraction form
    4,742.97/6,545.93 = 3,421.05/x
  3. Step 3: Cross multiply
    4,742.97x = 6,545.93 × 3,421.05
  4. Step 4: Simplify right side
    4,742.97x = 22,393,936.72
  5. Step 5: Solve for x
    x = 22,393,936.72/4,742.97
  6. Step 6: Final answer
    x = 4,721.50

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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.