Home / 5,281.74-7,924.37-1,772.10

Finding the Fourth Proportional to 5,281.74, 7,924.37 and 1,772.10

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Solution

The fourth proportional to 5,281.74, 7,924.37 and 1,772.10 is: 2,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.74 : 7,924.37 = 1,772.10 : x
  2. Step 2: Convert to fraction form
    5,281.74/7,924.37 = 1,772.10/x
  3. Step 3: Cross multiply
    5,281.74x = 7,924.37 × 1,772.10
  4. Step 4: Simplify right side
    5,281.74x = 14,042,776.08
  5. Step 5: Solve for x
    x = 14,042,776.08/5,281.74
  6. Step 6: Final answer
    x = 2,658.74

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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.