Home / 6,690.33-9,237.12-4,173.45

Finding the Fourth Proportional to 6,690.33, 9,237.12 and 4,173.45

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Solution

The fourth proportional to 6,690.33, 9,237.12 and 4,173.45 is: 5,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.33 : 9,237.12 = 4,173.45 : x
  2. Step 2: Convert to fraction form
    6,690.33/9,237.12 = 4,173.45/x
  3. Step 3: Cross multiply
    6,690.33x = 9,237.12 × 4,173.45
  4. Step 4: Simplify right side
    6,690.33x = 38,550,658.46
  5. Step 5: Solve for x
    x = 38,550,658.46/6,690.33
  6. Step 6: Final answer
    x = 5,762.15

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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.