Home / 4,760.13-7,140.62-1,642.30

Finding the Fourth Proportional to 4,760.13, 7,140.62 and 1,642.30

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Solution

The fourth proportional to 4,760.13, 7,140.62 and 1,642.30 is: 2,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.13 : 7,140.62 = 1,642.30 : x
  2. Step 2: Convert to fraction form
    4,760.13/7,140.62 = 1,642.30/x
  3. Step 3: Cross multiply
    4,760.13x = 7,140.62 × 1,642.30
  4. Step 4: Simplify right side
    4,760.13x = 11,727,040.23
  5. Step 5: Solve for x
    x = 11,727,040.23/4,760.13
  6. Step 6: Final answer
    x = 2,463.60

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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.