Home / 4,914.71-7,334.30-4,389.22

Finding the Fourth Proportional to 4,914.71, 7,334.30 and 4,389.22

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Solution

The fourth proportional to 4,914.71, 7,334.30 and 4,389.22 is: 6,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.71 : 7,334.30 = 4,389.22 : x
  2. Step 2: Convert to fraction form
    4,914.71/7,334.30 = 4,389.22/x
  3. Step 3: Cross multiply
    4,914.71x = 7,334.30 × 4,389.22
  4. Step 4: Simplify right side
    4,914.71x = 32,191,856.25
  5. Step 5: Solve for x
    x = 32,191,856.25/4,914.71
  6. Step 6: Final answer
    x = 6,550.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.