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Finding the Fourth Proportional to 4,510.61, 6,765.20 and 1,842.47

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Solution

The fourth proportional to 4,510.61, 6,765.20 and 1,842.47 is: 2,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,510.61 : 6,765.20 = 1,842.47 : x
  2. Step 2: Convert to fraction form
    4,510.61/6,765.20 = 1,842.47/x
  3. Step 3: Cross multiply
    4,510.61x = 6,765.20 × 1,842.47
  4. Step 4: Simplify right side
    4,510.61x = 12,464,678.04
  5. Step 5: Solve for x
    x = 12,464,678.04/4,510.61
  6. Step 6: Final answer
    x = 2,763.41

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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.