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Finding the Fourth Proportional to 6,989.71, 10,476.98 and 3,482.33

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Solution

The fourth proportional to 6,989.71, 10,476.98 and 3,482.33 is: 5,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.71 : 10,476.98 = 3,482.33 : x
  2. Step 2: Convert to fraction form
    6,989.71/10,476.98 = 3,482.33/x
  3. Step 3: Cross multiply
    6,989.71x = 10,476.98 × 3,482.33
  4. Step 4: Simplify right side
    6,989.71x = 36,484,301.76
  5. Step 5: Solve for x
    x = 36,484,301.76/6,989.71
  6. Step 6: Final answer
    x = 5,219.72

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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.