Home / 4,621.31-6,929.54-2,281.22

Finding the Fourth Proportional to 4,621.31, 6,929.54 and 2,281.22

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Solution

The fourth proportional to 4,621.31, 6,929.54 and 2,281.22 is: 3,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.31 : 6,929.54 = 2,281.22 : x
  2. Step 2: Convert to fraction form
    4,621.31/6,929.54 = 2,281.22/x
  3. Step 3: Cross multiply
    4,621.31x = 6,929.54 × 2,281.22
  4. Step 4: Simplify right side
    4,621.31x = 15,807,811.16
  5. Step 5: Solve for x
    x = 15,807,811.16/4,621.31
  6. Step 6: Final answer
    x = 3,420.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.