Home / 7,710.30-11,567.28-2,783.52

Finding the Fourth Proportional to 7,710.30, 11,567.28 and 2,783.52

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Solution

The fourth proportional to 7,710.30, 11,567.28 and 2,783.52 is: 4,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.30 : 11,567.28 = 2,783.52 : x
  2. Step 2: Convert to fraction form
    7,710.30/11,567.28 = 2,783.52/x
  3. Step 3: Cross multiply
    7,710.30x = 11,567.28 × 2,783.52
  4. Step 4: Simplify right side
    7,710.30x = 32,197,755.23
  5. Step 5: Solve for x
    x = 32,197,755.23/7,710.30
  6. Step 6: Final answer
    x = 4,175.94

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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.