Home / 5,275.50-7,913.58-1,765.32

Finding the Fourth Proportional to 5,275.50, 7,913.58 and 1,765.32

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Solution

The fourth proportional to 5,275.50, 7,913.58 and 1,765.32 is: 2,648.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.50 : 7,913.58 = 1,765.32 : x
  2. Step 2: Convert to fraction form
    5,275.50/7,913.58 = 1,765.32/x
  3. Step 3: Cross multiply
    5,275.50x = 7,913.58 × 1,765.32
  4. Step 4: Simplify right side
    5,275.50x = 13,970,001.05
  5. Step 5: Solve for x
    x = 13,970,001.05/5,275.50
  6. Step 6: Final answer
    x = 2,648.09

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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.