Home / 7,378.02-10,181.34-4,020.62

Finding the Fourth Proportional to 7,378.02, 10,181.34 and 4,020.62

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Solution

The fourth proportional to 7,378.02, 10,181.34 and 4,020.62 is: 5,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.02 : 10,181.34 = 4,020.62 : x
  2. Step 2: Convert to fraction form
    7,378.02/10,181.34 = 4,020.62/x
  3. Step 3: Cross multiply
    7,378.02x = 10,181.34 × 4,020.62
  4. Step 4: Simplify right side
    7,378.02x = 40,935,248.32
  5. Step 5: Solve for x
    x = 40,935,248.32/7,378.02
  6. Step 6: Final answer
    x = 5,548.27

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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.