Home / 4,742.90-6,545.57-2,618.84

Finding the Fourth Proportional to 4,742.90, 6,545.57 and 2,618.84

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Solution

The fourth proportional to 4,742.90, 6,545.57 and 2,618.84 is: 3,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.90 : 6,545.57 = 2,618.84 : x
  2. Step 2: Convert to fraction form
    4,742.90/6,545.57 = 2,618.84/x
  3. Step 3: Cross multiply
    4,742.90x = 6,545.57 × 2,618.84
  4. Step 4: Simplify right side
    4,742.90x = 17,141,823.45
  5. Step 5: Solve for x
    x = 17,141,823.45/4,742.90
  6. Step 6: Final answer
    x = 3,614.21

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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.