Home / 4,429.28-6,642.48-2,088.96

Finding the Fourth Proportional to 4,429.28, 6,642.48 and 2,088.96

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Solution

The fourth proportional to 4,429.28, 6,642.48 and 2,088.96 is: 3,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.28 : 6,642.48 = 2,088.96 : x
  2. Step 2: Convert to fraction form
    4,429.28/6,642.48 = 2,088.96/x
  3. Step 3: Cross multiply
    4,429.28x = 6,642.48 × 2,088.96
  4. Step 4: Simplify right side
    4,429.28x = 13,875,875.02
  5. Step 5: Solve for x
    x = 13,875,875.02/4,429.28
  6. Step 6: Final answer
    x = 3,132.76

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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.