Home / 10,782.40-16,159.86-4,852.92

Finding the Fourth Proportional to 10,782.40, 16,159.86 and 4,852.92

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Solution

The fourth proportional to 10,782.40, 16,159.86 and 4,852.92 is: 7,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.40 : 16,159.86 = 4,852.92 : x
  2. Step 2: Convert to fraction form
    10,782.40/16,159.86 = 4,852.92/x
  3. Step 3: Cross multiply
    10,782.40x = 16,159.86 × 4,852.92
  4. Step 4: Simplify right side
    10,782.40x = 78,422,507.79
  5. Step 5: Solve for x
    x = 78,422,507.79/10,782.40
  6. Step 6: Final answer
    x = 7,273.20

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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.