Home / 4,686.76-7,038.78-3,148.84

Finding the Fourth Proportional to 4,686.76, 7,038.78 and 3,148.84

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Solution

The fourth proportional to 4,686.76, 7,038.78 and 3,148.84 is: 4,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.76 : 7,038.78 = 3,148.84 : x
  2. Step 2: Convert to fraction form
    4,686.76/7,038.78 = 3,148.84/x
  3. Step 3: Cross multiply
    4,686.76x = 7,038.78 × 3,148.84
  4. Step 4: Simplify right side
    4,686.76x = 22,163,992.02
  5. Step 5: Solve for x
    x = 22,163,992.02/4,686.76
  6. Step 6: Final answer
    x = 4,729.06

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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.