Home / 7,652.19-11,478.47-2,458.11

Finding the Fourth Proportional to 7,652.19, 11,478.47 and 2,458.11

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Solution

The fourth proportional to 7,652.19, 11,478.47 and 2,458.11 is: 3,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652.19 : 11,478.47 = 2,458.11 : x
  2. Step 2: Convert to fraction form
    7,652.19/11,478.47 = 2,458.11/x
  3. Step 3: Cross multiply
    7,652.19x = 11,478.47 × 2,458.11
  4. Step 4: Simplify right side
    7,652.19x = 28,215,329.60
  5. Step 5: Solve for x
    x = 28,215,329.60/7,652.19
  6. Step 6: Final answer
    x = 3,687.22

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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.