Home / 7,621.74-10,517.31-4,827.18

Finding the Fourth Proportional to 7,621.74, 10,517.31 and 4,827.18

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Solution

The fourth proportional to 7,621.74, 10,517.31 and 4,827.18 is: 6,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.74 : 10,517.31 = 4,827.18 : x
  2. Step 2: Convert to fraction form
    7,621.74/10,517.31 = 4,827.18/x
  3. Step 3: Cross multiply
    7,621.74x = 10,517.31 × 4,827.18
  4. Step 4: Simplify right side
    7,621.74x = 50,768,948.49
  5. Step 5: Solve for x
    x = 50,768,948.49/7,621.74
  6. Step 6: Final answer
    x = 6,661.07

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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.