Home / 5,253.04-7,874.79-2,621.35

Finding the Fourth Proportional to 5,253.04, 7,874.79 and 2,621.35

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Solution

The fourth proportional to 5,253.04, 7,874.79 and 2,621.35 is: 3,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.04 : 7,874.79 = 2,621.35 : x
  2. Step 2: Convert to fraction form
    5,253.04/7,874.79 = 2,621.35/x
  3. Step 3: Cross multiply
    5,253.04x = 7,874.79 × 2,621.35
  4. Step 4: Simplify right side
    5,253.04x = 20,642,580.77
  5. Step 5: Solve for x
    x = 20,642,580.77/5,253.04
  6. Step 6: Final answer
    x = 3,929.64

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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.