Home / 4,742.48-6,545.24-3,420.56

Finding the Fourth Proportional to 4,742.48, 6,545.24 and 3,420.56

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Solution

The fourth proportional to 4,742.48, 6,545.24 and 3,420.56 is: 4,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.48 : 6,545.24 = 3,420.56 : x
  2. Step 2: Convert to fraction form
    4,742.48/6,545.24 = 3,420.56/x
  3. Step 3: Cross multiply
    4,742.48x = 6,545.24 × 3,420.56
  4. Step 4: Simplify right side
    4,742.48x = 22,388,386.13
  5. Step 5: Solve for x
    x = 22,388,386.13/4,742.48
  6. Step 6: Final answer
    x = 4,720.82

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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.