Home / 7,169.90-9,897.77-4,783.82

Finding the Fourth Proportional to 7,169.90, 9,897.77 and 4,783.82

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Solution

The fourth proportional to 7,169.90, 9,897.77 and 4,783.82 is: 6,603.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.90 : 9,897.77 = 4,783.82 : x
  2. Step 2: Convert to fraction form
    7,169.90/9,897.77 = 4,783.82/x
  3. Step 3: Cross multiply
    7,169.90x = 9,897.77 × 4,783.82
  4. Step 4: Simplify right side
    7,169.90x = 47,349,112.55
  5. Step 5: Solve for x
    x = 47,349,112.55/7,169.90
  6. Step 6: Final answer
    x = 6,603.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.