Home / 4,986.76-7,475.80-3,686.44

Finding the Fourth Proportional to 4,986.76, 7,475.80 and 3,686.44

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Solution

The fourth proportional to 4,986.76, 7,475.80 and 3,686.44 is: 5,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.76 : 7,475.80 = 3,686.44 : x
  2. Step 2: Convert to fraction form
    4,986.76/7,475.80 = 3,686.44/x
  3. Step 3: Cross multiply
    4,986.76x = 7,475.80 × 3,686.44
  4. Step 4: Simplify right side
    4,986.76x = 27,559,088.15
  5. Step 5: Solve for x
    x = 27,559,088.15/4,986.76
  6. Step 6: Final answer
    x = 5,526.45

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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.