Home / 4,686.28-7,030.54-2,089.80

Finding the Fourth Proportional to 4,686.28, 7,030.54 and 2,089.80

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Solution

The fourth proportional to 4,686.28, 7,030.54 and 2,089.80 is: 3,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.28 : 7,030.54 = 2,089.80 : x
  2. Step 2: Convert to fraction form
    4,686.28/7,030.54 = 2,089.80/x
  3. Step 3: Cross multiply
    4,686.28x = 7,030.54 × 2,089.80
  4. Step 4: Simplify right side
    4,686.28x = 14,692,422.49
  5. Step 5: Solve for x
    x = 14,692,422.49/4,686.28
  6. Step 6: Final answer
    x = 3,135.20

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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.