Home / 4,841.40-7,262.55-1,721.10

Finding the Fourth Proportional to 4,841.40, 7,262.55 and 1,721.10

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Solution

The fourth proportional to 4,841.40, 7,262.55 and 1,721.10 is: 2,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,841.40 : 7,262.55 = 1,721.10 : x
  2. Step 2: Convert to fraction form
    4,841.40/7,262.55 = 1,721.10/x
  3. Step 3: Cross multiply
    4,841.40x = 7,262.55 × 1,721.10
  4. Step 4: Simplify right side
    4,841.40x = 12,499,574.81
  5. Step 5: Solve for x
    x = 12,499,574.81/4,841.40
  6. Step 6: Final answer
    x = 2,581.81

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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.