Home / 4,344.80-6,516.40-2,698.40

Finding the Fourth Proportional to 4,344.80, 6,516.40 and 2,698.40

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Solution

The fourth proportional to 4,344.80, 6,516.40 and 2,698.40 is: 4,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,344.80 : 6,516.40 = 2,698.40 : x
  2. Step 2: Convert to fraction form
    4,344.80/6,516.40 = 2,698.40/x
  3. Step 3: Cross multiply
    4,344.80x = 6,516.40 × 2,698.40
  4. Step 4: Simplify right side
    4,344.80x = 17,583,853.76
  5. Step 5: Solve for x
    x = 17,583,853.76/4,344.80
  6. Step 6: Final answer
    x = 4,047.10

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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.