Home / 7,261.48-10,890.90-1,924.69

Finding the Fourth Proportional to 7,261.48, 10,890.90 and 1,924.69

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Solution

The fourth proportional to 7,261.48, 10,890.90 and 1,924.69 is: 2,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.48 : 10,890.90 = 1,924.69 : x
  2. Step 2: Convert to fraction form
    7,261.48/10,890.90 = 1,924.69/x
  3. Step 3: Cross multiply
    7,261.48x = 10,890.90 × 1,924.69
  4. Step 4: Simplify right side
    7,261.48x = 20,961,606.32
  5. Step 5: Solve for x
    x = 20,961,606.32/7,261.48
  6. Step 6: Final answer
    x = 2,886.69

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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.