Home / 4,438.64-6,657.28-2,790.16

Finding the Fourth Proportional to 4,438.64, 6,657.28 and 2,790.16

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Solution

The fourth proportional to 4,438.64, 6,657.28 and 2,790.16 is: 4,184.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.64 : 6,657.28 = 2,790.16 : x
  2. Step 2: Convert to fraction form
    4,438.64/6,657.28 = 2,790.16/x
  3. Step 3: Cross multiply
    4,438.64x = 6,657.28 × 2,790.16
  4. Step 4: Simplify right side
    4,438.64x = 18,574,876.36
  5. Step 5: Solve for x
    x = 18,574,876.36/4,438.64
  6. Step 6: Final answer
    x = 4,184.81

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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.