Home / 6,988.42-10,476.15-3,698.74

Finding the Fourth Proportional to 6,988.42, 10,476.15 and 3,698.74

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Solution

The fourth proportional to 6,988.42, 10,476.15 and 3,698.74 is: 5,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.42 : 10,476.15 = 3,698.74 : x
  2. Step 2: Convert to fraction form
    6,988.42/10,476.15 = 3,698.74/x
  3. Step 3: Cross multiply
    6,988.42x = 10,476.15 × 3,698.74
  4. Step 4: Simplify right side
    6,988.42x = 38,748,555.05
  5. Step 5: Solve for x
    x = 38,748,555.05/6,988.42
  6. Step 6: Final answer
    x = 5,544.68

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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.