Home / 4,428-6,109.85-2,659.64

Finding the Fourth Proportional to 4,428, 6,109.85 and 2,659.64

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Solution

The fourth proportional to 4,428, 6,109.85 and 2,659.64 is: 3,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428 : 6,109.85 = 2,659.64 : x
  2. Step 2: Convert to fraction form
    4,428/6,109.85 = 2,659.64/x
  3. Step 3: Cross multiply
    4,428x = 6,109.85 × 2,659.64
  4. Step 4: Simplify right side
    4,428x = 16,249,957.61
  5. Step 5: Solve for x
    x = 16,249,957.61/4,428
  6. Step 6: Final answer
    x = 3,669.82

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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.